diff --git a/install/dist/conf/centos72.conf.php b/install/dist/conf/centos72.conf.php
new file mode 100644
index 0000000000000000000000000000000000000000..e7ab6030b7210051697de71425724ceaac4a1119
--- /dev/null
+++ b/install/dist/conf/centos72.conf.php
@@ -0,0 +1,219 @@
+<?php
+
+/*
+Copyright (c) 2007, Till Brehm, projektfarm Gmbh
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of ISPConfig nor the names of its contributors
+      may be used to endorse or promote products derived from this software without
+      specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+//***  Fedora 9 default settings
+
+//* Main
+$conf['language'] = 'en';
+$conf['distname'] = 'centos72';
+$conf['hostname'] = 'server1.domain.tld'; // Full hostname
+$conf['ispconfig_install_dir'] = '/usr/local/ispconfig';
+$conf['ispconfig_config_dir'] = '/usr/local/ispconfig';
+$conf['ispconfig_log_priority'] = 2;  // 0 = Debug, 1 = Warning, 2 = Error
+$conf['ispconfig_log_dir'] = '/var/log/ispconfig';
+$conf['server_id'] = 1;
+$conf['init_scripts'] = '/etc/init.d';
+$conf['runlevel'] = '/etc';
+$conf['shells'] = '/etc/shells';
+$conf['pam'] = '/etc/pam.d';
+
+//* Services provided by this server, this selection will be overridden by the expert mode
+$conf['services']['mail'] = true;
+$conf['services']['web'] = true;
+$conf['services']['dns'] = true;
+$conf['services']['file'] = true;
+$conf['services']['db'] = true;
+$conf['services']['vserver'] = true;
+
+//* MySQL
+$conf['mysql']['installed'] = false; // will be detected automatically during installation
+$conf['mysql']['init_script'] = 'mariadb';
+$conf['mysql']['host'] = 'localhost';
+$conf['mysql']['ip'] = '127.0.0.1';
+$conf['mysql']['port'] = '3306';
+$conf['mysql']['database'] = 'dbispconfig';
+$conf['mysql']['admin_user'] = 'root';
+$conf['mysql']['admin_password'] = '';
+$conf['mysql']['charset'] = 'utf8';
+$conf['mysql']['ispconfig_user'] = 'ispconfig';
+$conf['mysql']['ispconfig_password'] = md5(uniqid(rand()));
+$conf['mysql']['master_slave_setup'] = 'n';
+$conf['mysql']['master_host'] = '';
+$conf['mysql']['master_database'] = 'dbispconfig';
+$conf['mysql']['master_admin_user'] = 'root';
+$conf['mysql']['master_admin_password'] = '';
+$conf['mysql']['master_ispconfig_user'] = '';
+$conf['mysql']['master_ispconfig_password'] = md5(uniqid(rand()));
+
+//* Apache
+$conf['apache']['installed'] = false; // will be detected automatically during installation
+$conf['apache']['user'] = 'apache';
+$conf['apache']['group'] = 'apache';
+$conf['apache']['init_script'] = 'httpd';
+$conf['apache']['version'] = '2.2';
+$conf['apache']['vhost_conf_dir'] = '/etc/httpd/conf/sites-available';
+$conf['apache']['vhost_conf_enabled_dir'] = '/etc/httpd/conf/sites-enabled';
+$conf['apache']['vhost_port'] = '8080';
+$conf['apache']['php_ini_path_apache'] = '/etc/php.ini';
+$conf['apache']['php_ini_path_cgi'] = '/etc/php.ini';
+
+//* Website base settings
+$conf['web']['website_basedir'] = '/var/www';
+$conf['web']['website_path'] = '/var/www/clients/client[client_id]/web[website_id]';
+$conf['web']['website_symlinks'] = '/var/www/[website_domain]/:/var/www/clients/client[client_id]/[website_domain]/';
+
+//* Apps base settings
+$conf['web']['apps_vhost_ip'] = '_default_';
+$conf['web']['apps_vhost_port'] = '8081';
+$conf['web']['apps_vhost_servername'] = '';
+$conf['web']['apps_vhost_user'] = 'ispapps';
+$conf['web']['apps_vhost_group'] = 'ispapps';
+
+//* Fastcgi
+$conf['fastcgi']['fastcgi_phpini_path'] = '/etc/';
+$conf['fastcgi']['fastcgi_starter_path'] = '/var/www/php-fcgi-scripts/[system_user]/';
+$conf['fastcgi']['fastcgi_bin'] = '/usr/bin/php-cgi';
+
+//* Postfix
+$conf['postfix']['installed'] = false; // will be detected automatically during installation
+$conf['postfix']['config_dir'] = '/etc/postfix';
+$conf['postfix']['init_script'] = 'postfix';
+$conf['postfix']['user'] = 'postfix';
+$conf['postfix']['group'] = 'postfix';
+$conf['postfix']['vmail_userid'] = '5000';
+$conf['postfix']['vmail_username'] = 'vmail';
+$conf['postfix']['vmail_groupid'] = '5000';
+$conf['postfix']['vmail_groupname'] = 'vmail';
+$conf['postfix']['vmail_mailbox_base'] = '/var/vmail';
+
+//* Mailman
+$conf['mailman']['installed'] = false; // will be detected automatically during installation
+$conf['mailman']['config_dir'] = '/etc/mailman';
+$conf['mailman']['init_script'] = 'mailman';
+
+//* Getmail
+$conf['getmail']['installed'] = false; // will be detected automatically during installation
+$conf['getmail']['config_dir'] = '/etc/getmail';
+$conf['getmail']['program'] = '/usr/bin/getmail';
+
+//* Courier
+$conf['courier']['installed'] = false; // will be detected automatically during installation
+$conf['courier']['config_dir'] = '/etc/authlib';
+$conf['courier']['courier-authdaemon'] = 'courier-authlib';
+$conf['courier']['courier-imap'] = 'courier-imap';
+$conf['courier']['courier-imap-ssl'] = '';
+$conf['courier']['courier-pop'] = '';
+$conf['courier']['courier-pop-ssl'] = '';
+
+//* Dovecot
+$conf['dovecot']['installed'] = false; // will be detected automatically during installation
+$conf['dovecot']['config_dir'] = '/etc/dovecot';
+$conf['dovecot']['init_script'] = 'dovecot';
+
+//* SASL
+$conf['saslauthd']['installed'] = false; // will be detected automatically during installation
+$conf['saslauthd']['config'] = '/etc/sysconfig/saslauthd';
+$conf['saslauthd']['init_script'] = 'saslauthd';
+
+//* Amavisd
+$conf['amavis']['installed'] = false; // will be detected automatically during installation
+$conf['amavis']['config_dir'] = '/etc/amavisd';
+$conf['amavis']['init_script'] = 'amavisd';
+
+//* ClamAV
+$conf['clamav']['installed'] = false; // will be detected automatically during installation
+$conf['clamav']['init_script'] = 'clamd@amavisd';
+
+//* Pureftpd
+$conf['pureftpd']['installed'] = false; // will be detected automatically during installation
+$conf['pureftpd']['config_dir'] = '/etc/pure-ftpd';
+$conf['pureftpd']['init_script'] = 'pure-ftpd';
+
+//* MyDNS
+$conf['mydns']['installed'] = false; // will be detected automatically during installation
+$conf['mydns']['config_dir'] = '/etc';
+$conf['mydns']['init_script'] = 'mydns';
+
+//* PowerDNS
+$conf['powerdns']['installed'] = false; // will be detected automatically during installation
+$conf['powerdns']['database'] = 'powerdns';
+$conf["powerdns"]["config_dir"] = '/etc/powerdns/pdns.d';
+$conf['powerdns']['init_script'] = 'pdns';
+
+//* BIND DNS Server
+$conf['bind']['installed'] = false; // will be detected automatically during installation
+$conf['bind']['bind_user'] = 'named';
+$conf['bind']['bind_group'] = 'named';
+$conf['bind']['bind_zonefiles_dir'] = '/var/named';
+$conf['bind']['named_conf_path'] = '/etc/named.conf';
+$conf['bind']['named_conf_local_path'] = '/etc/named.conf.local';
+$conf['bind']['init_script'] = 'named';
+
+//* Jailkit
+$conf['jailkit']['installed'] = false; // will be detected automatically during installation
+$conf['jailkit']['config_dir'] = '/etc/jailkit';
+$conf['jailkit']['jk_init'] = 'jk_init.ini';
+$conf['jailkit']['jk_chrootsh'] = 'jk_chrootsh.ini';
+$conf['jailkit']['jailkit_chroot_app_programs'] = '/usr/bin/groups /usr/bin/id /usr/bin/dircolors /bin/basename /usr/bin/dirname /usr/bin/nano';
+$conf['jailkit']['jailkit_chroot_cron_programs'] = '/usr/bin/php /usr/bin/perl /usr/share/perl /usr/share/php';
+
+//* Squid
+$conf['squid']['installed'] = false; // will be detected automatically during installation
+$conf['squid']['config_dir'] = '/etc/squid';
+$conf['squid']['init_script'] = 'squid';
+
+//* Nginx
+$conf['nginx']['installed'] = false; // will be detected automatically during installation
+$conf['nginx']['user'] = 'nginx';
+$conf['nginx']['group'] = 'nginx';
+$conf['nginx']['config_dir'] = '/etc/nginx';
+$conf['nginx']['vhost_conf_dir'] = '/etc/nginx/sites-available';
+$conf['nginx']['vhost_conf_enabled_dir'] = '/etc/nginx/sites-enabled';
+$conf['nginx']['init_script'] = 'nginx';
+$conf['nginx']['vhost_port'] = '8080';
+$conf['nginx']['cgi_socket'] = '/var/run/fcgiwrap.socket';
+$conf['nginx']['php_fpm_init_script'] = 'php-fpm';
+$conf['nginx']['php_fpm_ini_path'] = '/etc/php.ini';
+$conf['nginx']['php_fpm_pool_dir'] = '/etc/php-fpm.d';
+$conf['nginx']['php_fpm_start_port'] = 9010;
+$conf['nginx']['php_fpm_socket_dir'] = '/var/lib/php5-fpm';
+
+//* vlogger
+$conf['vlogger']['config_dir'] = '/etc';
+
+//* cron
+$conf['cron']['init_script'] = 'crond';
+$conf['cron']['crontab_dir'] = '/etc/cron.d';
+$conf['cron']['wget'] = '/usr/bin/wget';
+
+//* OpenVZ
+$conf['openvz']['installed'] = false;
+
+?>
diff --git a/install/dist/lib/fedora.lib.php b/install/dist/lib/fedora.lib.php
index d65ac801fe3b5a0a0d82adfc9f59894b18f9f70c..11ce4200f038c2943f6a60c102efe7508376b22f 100644
--- a/install/dist/lib/fedora.lib.php
+++ b/install/dist/lib/fedora.lib.php
@@ -185,6 +185,27 @@ class installer_dist extends installer_base {
 		if(!is_file('/var/lib/mailman/data/transport-mailman')) touch('/var/lib/mailman/data/transport-mailman');
 		exec('/usr/sbin/postmap /var/lib/mailman/data/transport-mailman');
 
+		//* Create auxillary postfix conf files
+		$configfile = 'helo_access';
+		if(is_file($config_dir.'/'.$configfile)) {
+			copy($config_dir.'/'.$configfile, $config_dir.'/'.$configfile.'~');
+			chmod($config_dir.'/'.$configfile.'~', 0400);
+		}
+		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
+		$content = strtr($content, $postconf_placeholders);
+		# todo: look up this server's ip addrs and loop through each
+		# todo: look up domains hosted on this server and loop through each
+		wf($config_dir.'/'.$configfile, $content);
+
+		$configfile = 'blacklist_helo';
+		if(is_file($config_dir.'/'.$configfile)) {
+			copy($config_dir.'/'.$configfile, $config_dir.'/'.$configfile.'~');
+			chmod($config_dir.'/'.$configfile.'~', 0400);
+		}
+		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
+		$content = strtr($content, $postconf_placeholders);
+		wf($config_dir.'/'.$configfile, $content);
+
 		//* Make a backup copy of the main.cf file
 		copy($config_dir.'/main.cf', $config_dir.'/main.cf~');
 
@@ -440,6 +461,10 @@ class installer_dist extends installer_base {
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
 		$content = str_replace('{mysql_server_port}', $conf['mysql']['port'], $content);
 		$content = str_replace('{server_id}', $conf['server_id'], $content);
+		# enable iterate_query for dovecot2
+		if(version_compare($dovecot_version,2, '>=')) {
+			$content = str_replace('# iterate_query', 'iterate_query', $content);
+		}
 		wf("$config_dir/$configfile", $content);
 
 		exec("chmod 600 $config_dir/$configfile");
diff --git a/install/dist/lib/gentoo.lib.php b/install/dist/lib/gentoo.lib.php
index b4574745fc17a702d24e84c453fad0269c8efa0c..7fdec46d8542bc4feed9fc36d4ece3cc81339c3f 100644
--- a/install/dist/lib/gentoo.lib.php
+++ b/install/dist/lib/gentoo.lib.php
@@ -135,6 +135,26 @@ class installer extends installer_base
 		touch($config_dir.'/nested_header_checks');
 		touch($config_dir.'/body_checks');
 
+		//* Create auxillary postfix conf files
+		$configfile = 'helo_access';
+		if(is_file($config_dir.'/'.$configfile)) {
+			copy($config_dir.'/'.$configfile, $config_dir.'/'.$configfile.'~');
+			chmod($config_dir.'/'.$configfile.'~', 0400);
+		}
+		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
+		$content = strtr($content, $postconf_placeholders);
+		# todo: look up this server's ip addrs and loop through each
+		# todo: look up domains hosted on this server and loop through each
+		wf($config_dir.'/'.$configfile, $content);
+
+		$configfile = 'blacklist_helo';
+		if(is_file($config_dir.'/'.$configfile)) {
+			copy($config_dir.'/'.$configfile, $config_dir.'/'.$configfile.'~');
+			chmod($config_dir.'/'.$configfile.'~', 0400);
+		}
+		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
+		$content = strtr($content, $postconf_placeholders);
+		wf($config_dir.'/'.$configfile, $content);
 
 		//* Make a backup copy of the main.cf file
 		copy($config_dir.'/main.cf', $config_dir.'/main.cf~');
@@ -321,6 +341,10 @@ class installer extends installer_base
 		//* dovecot-sql.conf
 		$configfile = $config_dir.'/dovecot-sql.conf';
 		$content = $this->get_template_file('debian_dovecot-sql.conf', true, true);
+		# enable iterate_query for dovecot2
+		if(version_compare($dovecot_version,2, '>=')) {
+			$content = str_replace('# iterate_query', 'iterate_query', $content);
+		}
 		$this->write_config_file($configfile, $content);
 	}
 
diff --git a/install/dist/lib/opensuse.lib.php b/install/dist/lib/opensuse.lib.php
index 4613a58fd19dfc572115901d1d5d5d77e809668a..ad70fe292a83f706a0fedee53794cf568d46514a 100644
--- a/install/dist/lib/opensuse.lib.php
+++ b/install/dist/lib/opensuse.lib.php
@@ -197,6 +197,27 @@ class installer_dist extends installer_base {
 		if(!is_file('/var/lib/mailman/data/transport-mailman')) touch('/var/lib/mailman/data/transport-mailman');
 		exec('/usr/sbin/postmap /var/lib/mailman/data/transport-mailman');
 
+		//* Create auxillary postfix conf files
+		$configfile = 'helo_access';
+		if(is_file($config_dir.'/'.$configfile)) {
+			copy($config_dir.'/'.$configfile, $config_dir.'/'.$configfile.'~');
+			chmod($config_dir.'/'.$configfile.'~', 0400);
+		}
+		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
+		$content = strtr($content, $postconf_placeholders);
+		# todo: look up this server's ip addrs and loop through each
+		# todo: look up domains hosted on this server and loop through each
+		wf($config_dir.'/'.$configfile, $content);
+
+		$configfile = 'blacklist_helo';
+		if(is_file($config_dir.'/'.$configfile)) {
+			copy($config_dir.'/'.$configfile, $config_dir.'/'.$configfile.'~');
+			chmod($config_dir.'/'.$configfile.'~', 0400);
+		}
+		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
+		$content = strtr($content, $postconf_placeholders);
+		wf($config_dir.'/'.$configfile, $content);
+
 		//* Make a backup copy of the main.cf file
 		copy($config_dir.'/main.cf', $config_dir.'/main.cf~');
 
@@ -450,6 +471,10 @@ class installer_dist extends installer_base {
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
 		$content = str_replace('{mysql_server_port}', $conf['mysql']['port'], $content);
 		$content = str_replace('{server_id}', $conf['server_id'], $content);
+		# enable iterate_query for dovecot2
+		if(version_compare($dovecot_version,2, '>=')) {
+			$content = str_replace('# iterate_query', 'iterate_query', $content);
+		}
 		wf("$config_dir/$configfile", $content);
 
 		exec("chmod 600 $config_dir/$configfile");
diff --git a/install/install.php b/install/install.php
index cff2265cebb7eccdef0c76ed34dfbfa8110d84f8..14c981522672224b3b80125333f6dbd42b9508b0 100644
--- a/install/install.php
+++ b/install/install.php
@@ -133,7 +133,7 @@ if(isset($cmd_opt['autoinstall']) && is_file($cmd_opt['autoinstall'])) {
 //** Include the distribution-specific installer class library and configuration
 if(is_file('dist/lib/'.$dist['baseid'].'.lib.php')) include_once 'dist/lib/'.$dist['baseid'].'.lib.php';
 include_once 'dist/lib/'.$dist['id'].'.lib.php';
-include_once 'dist/conf/'.$dist['id'].'.conf.php';
+include_once 'dist/conf/'.$dist['confid'].'.conf.php';
 
 //****************************************************************************************************
 //** Installer Interface
diff --git a/install/lib/install.lib.php b/install/lib/install.lib.php
index 67550c8dda511489146ffac5cd72829e8ba18574..93e5470ba95f6bac2ca0efb9f99a075fb202337a 100644
--- a/install/lib/install.lib.php
+++ b/install/lib/install.lib.php
@@ -26,29 +26,6 @@ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/*
-	This function returns a string that describes the installed
-	Linux distribution. e.g. debian40 for Debian GNU/Linux 4.0
-*/
-
-
-
-/*
-Comments to completion forever ;-)
-commandline arguments
-$argv[1]
-
-
-<?
-echo "Total argument passed are : $argc \n";
-for( $i = 0 ; $i <= $argc -1 ;$i++)
-{
-echo "Argument $i : $argv[$i] \n";
-}
-?>
-
 */
 error_reporting(E_ALL|E_STRICT);
 
@@ -59,6 +36,10 @@ $FILE = realpath('../install.php');
 //** IMPORTANT!
 //   This is the same code as in server/lib/classes/monitor_tools.inc.php
 //   So if you change it here, you also have to change it in there!
+//
+//	This function returns a string that describes the installed
+//	Linux distribution. e.g. debian40 for Debian GNU/Linux 4.0
+
 function get_distname() {
 
 	$distname = '';
@@ -68,27 +49,52 @@ function get_distname() {
 
 	//** Debian or Ubuntu
 	if(file_exists('/etc/debian_version')) {
-		if (strstr(trim(file_get_contents('/etc/issue')), 'Ubuntu')) {
-			if (strstr(trim(file_get_contents('/etc/issue')), 'LTS')) {
-				$lts=" LTS";
+		
+		// Check if this is Ubuntu and not Debian
+		if (strstr(trim(file_get_contents('/etc/issue')), 'Ubuntu') || (is_file('/etc/os-release') && stristr(file_get_contents('/etc/os-release'), 'Ubuntu'))) {
+			
+			$issue = file_get_contents('/etc/issue');
+			
+			// Use content of /etc/issue file
+			if(strstr($issue,'Ubuntu')) {
+				if (strstr(trim($issue), 'LTS')) {
+					$lts=" LTS";
+				} else {
+					$lts="";
+				}
+
+				$distname = 'Ubuntu';
+				$distid = 'debian40';
+				$distbaseid = 'debian';
+				$ver = explode(' ', $issue);
+				$ver = array_filter($ver);
+				$ver = next($ver);
+				$mainver = explode('.', $ver);
+				$mainver = array_filter($mainver);
+				$mainver = current($mainver).'.'.next($mainver);
+			// Use content of /etc/os-release file
 			} else {
-				$lts="";
+				$os_release = file_get_contents('/etc/os-release');
+				if (strstr(trim($os_release), 'LTS')) {
+					$lts = " LTS";
+				} else {
+					$lts = "";
+				}
+				
+				$distname = 'Ubuntu';
+				$distid = 'debian40';
+				$distbaseid = 'debian';
+
+				preg_match("/.*VERSION=\"(.*)\".*/ui", $os_release, $ver);
+				$ver = str_replace("LTS", "", $ver[1]);
+				$ver = explode(" ", $ver, 2);
+				$ver = reset($ver);
+				$mainver = $ver;
 			}
-
-			$issue=file_get_contents('/etc/issue');
-			$distname = 'Ubuntu';
-			$distid = 'debian40';
-			$distbaseid = 'debian';
-			$ver = explode(' ', $issue);
-			$ver = array_filter($ver);
-			$ver = next($ver);
-			$mainver = explode('.', $ver);
-			$mainver = array_filter($mainver);
-			$mainver = current($mainver).'.'.next($mainver);
 			switch ($mainver){
 			case "16.04":
 				$relname = "(Xenial Xerus)";
-				$distid = 'ubuntu1604';
+				$distconfid = 'ubuntu1604';
 				break;
 			case "15.10":
 				$relname = "(Wily Werewolf)";
@@ -163,7 +169,7 @@ function get_distname() {
 				$relname = "UNKNOWN";
 			}
 			$distver = $ver.$lts." ".$relname;
-			swriteln("Operating System: ".$distver."\n");
+			swriteln("Operating System: ".$distname.' '.$distver."\n");
 		} elseif(trim(file_get_contents('/etc/debian_version')) == '4.0') {
 			$distname = 'Debian';
 			$distver = '4.0';
@@ -280,6 +286,13 @@ function get_distname() {
 			$distid = 'centos53';
 			$distbaseid = 'fedora';
 			swriteln("Operating System: CentOS 6 or compatible\n");
+		} elseif(stristr($content, 'CentOS Linux release 7.2')) {
+			$distname = 'CentOS';
+			$distver = 'Unknown';
+			$distid = 'centos70';
+			$distconfid = 'centos72';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 7.2\n");
 		} elseif(stristr($content, 'CentOS Linux release 7')) {
 			$distname = 'CentOS';
 			$distver = 'Unknown';
@@ -310,8 +323,11 @@ function get_distname() {
 	} else {
 		die('Unrecognized GNU/Linux distribution');
 	}
+	
+	// Set $distconfid to distid, if no different id for the config is defined
+	if(!isset($distconfid)) $distconfid = $distid;
 
-	return array('name' => $distname, 'version' => $distver, 'id' => $distid, 'baseid' => $distbaseid);
+	return array('name' => $distname, 'version' => $distver, 'id' => $distid, 'confid' => $distconfid, 'baseid' => $distbaseid);
 }
 
 function sread() {
diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
index 334a16b10d336552ab6d3b52736f4c4c7438dae4..63ddb0946822d9f7e8318ba8bc9a8722132314a9 100644
--- a/install/lib/installer_base.lib.php
+++ b/install/lib/installer_base.lib.php
@@ -1277,6 +1277,10 @@ class installer_base {
 		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);
 		$content = str_replace('{mysql_server_port}', $conf['mysql']['port'], $content);
 		$content = str_replace('{server_id}', $conf['server_id'], $content);
+		# enable iterate_query for dovecot2
+		if(version_compare($dovecot_version,2, '>=')) {
+			$content = str_replace('# iterate_query', 'iterate_query', $content);
+		}
 		wf($config_dir.'/'.$configfile, $content);
 
 		chmod($config_dir.'/'.$configfile, 0600);
diff --git a/install/sql/incremental/upd_0081.sql b/install/sql/incremental/upd_0081.sql
index 040f6404284676b57d265500816b08cc5d8b1b20..69236784c7455db0be4671022c74cac942c22405 100644
--- a/install/sql/incremental/upd_0081.sql
+++ b/install/sql/incremental/upd_0081.sql
@@ -198,7 +198,7 @@ CREATE TABLE `ftp_traffic` (
 	`traffic_date` date NOT NULL,
 	`in_bytes` bigint(32) unsigned NOT NULL,
 	`out_bytes` bigint(32) unsigned NOT NULL, 
-	PRIMARY KEY (`hostname`,`traffic_date`)
+	UNIQUE KEY (`hostname`,`traffic_date`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;
 
 ALTER TABLE `mail_forwarding` ADD COLUMN `allow_send_as` ENUM('n','y') NOT NULL DEFAULT 'n' AFTER `active`;
diff --git a/install/sql/ispconfig3.sql b/install/sql/ispconfig3.sql
index d9898fb1b9ee0d7a01f79e66e72f834856c5cd8c..a14a0d6b1b3983a71abbdeb8c624fc288012c96f 100644
--- a/install/sql/ispconfig3.sql
+++ b/install/sql/ispconfig3.sql
@@ -657,7 +657,7 @@ CREATE TABLE `ftp_traffic` (
   `traffic_date` date NOT NULL,
   `in_bytes` bigint(32) unsigned NOT NULL,
   `out_bytes` bigint(32) unsigned NOT NULL,
-  PRIMARY KEY (`hostname`,`traffic_date`)
+  UNIQUE KEY (`hostname`,`traffic_date`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;
 
 -- --------------------------------------------------------
@@ -1153,7 +1153,7 @@ CREATE TABLE IF NOT EXISTS `openvz_traffic` (
   `veid` int(11) NOT NULL DEFAULT '0',
   `traffic_date` date NULL DEFAULT NULL,
   `traffic_bytes` bigint(32) unsigned NOT NULL DEFAULT '0',
-  PRIMARY KEY (`veid`,`traffic_date`)
+  UNIQUE KEY (`veid`,`traffic_date`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 --
@@ -2043,7 +2043,7 @@ CREATE TABLE `web_traffic` (
   `hostname` varchar(255) NOT NULL DEFAULT '',
   `traffic_date` date NULL DEFAULT NULL,
   `traffic_bytes` bigint(32) unsigned NOT NULL default '0',
-  PRIMARY KEY  (`hostname`,`traffic_date`)
+  UNIQUE KEY  (`hostname`,`traffic_date`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 ;
 
 -- --------------------------------------------------------
diff --git a/install/tpl/debian6_dovecot-sql.conf.master b/install/tpl/debian6_dovecot-sql.conf.master
index 30afc1877a96147427c521fc72ba496e9ce1b59a..e05330dc26a4216d28e5d85f2918d005558232f4 100644
--- a/install/tpl/debian6_dovecot-sql.conf.master
+++ b/install/tpl/debian6_dovecot-sql.conf.master
@@ -19,4 +19,4 @@ user_query = SELECT email as user, maildir as home, CONCAT( maildir_format, ':',
 
 # The iterate_query is required for the doveadm command only and works only on dovecot 2 servers.
 # Do not enable it on Dovecot 1.x servers
-# iterate_query = SELECT email as user FROM mail_user
+# iterate_query = SELECT email as user FROM mail_user WHERE server_id = '{server_id}'
diff --git a/install/tpl/debian_dovecot-sql.conf.master b/install/tpl/debian_dovecot-sql.conf.master
index b8919ff790523cc81210ef52945c36cc197ce7ed..2e0858057e8739cdc23ae8fef854b797d8b35cdf 100644
--- a/install/tpl/debian_dovecot-sql.conf.master
+++ b/install/tpl/debian_dovecot-sql.conf.master
@@ -126,5 +126,5 @@ user_query = SELECT email as user, maildir as home, CONCAT( maildir_format, ':',
 
 # The iterate_query is required for the doveadm command only and works only on dovecot 2 servers.
 # Do not enable it on Dovecot 1.x servers
-# iterate_query = SELECT email as user FROM mail_user
+# iterate_query = SELECT email as user FROM mail_user WHERE server_id = '{server_id}'
 
diff --git a/install/tpl/debian_dovecot2.conf.master b/install/tpl/debian_dovecot2.conf.master
index a753433c512179feb54142be40690087898e18cb..80ca21dd719e2bb3defd46366f70f679735bce32 100644
--- a/install/tpl/debian_dovecot2.conf.master
+++ b/install/tpl/debian_dovecot2.conf.master
@@ -63,3 +63,4 @@ protocol lmtp {
   postmaster_address = webmaster@localhost
   mail_plugins = quota sieve
 }
+mail_plugins = $mail_plugins quota
diff --git a/install/tpl/debian_postfix.conf.master b/install/tpl/debian_postfix.conf.master
index 30aa4832133fb25a3ec627186c9fb0006699d564..dce69b097a7b9be2af2058aa25ca3ad59ad0cdde 100644
--- a/install/tpl/debian_postfix.conf.master
+++ b/install/tpl/debian_postfix.conf.master
@@ -26,7 +26,7 @@ smtpd_sender_login_maps = proxy:mysql:{config_dir}/mysql-virtual_sender_login_ma
 proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $sender_bcc_maps $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps
 smtpd_helo_required = yes
 smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, reject_invalid_hostname, reject_non_fqdn_hostname, check_helo_access regexp:{config_dir}/blacklist_helo
-smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
+smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
 smtpd_client_restrictions = check_client_access mysql:{config_dir}/mysql-virtual_client.cf
 smtpd_client_message_rate_limit = 100
 maildrop_destination_concurrency_limit = 1
diff --git a/install/tpl/fedora_amavisd_conf.master b/install/tpl/fedora_amavisd_conf.master
index 8935df7ed6e0d2f613c6338c0e6c46c2d9e37b63..6e454e7cac789e8951ed461f229f28cefe7d173a 100644
--- a/install/tpl/fedora_amavisd_conf.master
+++ b/install/tpl/fedora_amavisd_conf.master
@@ -146,8 +146,8 @@ $defang_by_ccat{+CC_BADH.",6"} = 1;  # header field syntax error
 
 $myhostname = '{hostname}';
 
-$notify_method  = 'smtp:[127.0.0.1]:10027';
-$forward_method = 'smtp:[127.0.0.1]:10025';  # set to undef with milter!
+$notify_method  = 'smtp:*:*';
+$forward_method = 'smtp:*:*';  # set to undef with milter!
 
 # $os_fingerprint_method = 'p0f:127.0.0.1:2345';  # to query p0f-analyzer.pl
 
diff --git a/install/tpl/fedora_dovecot-sql.conf.master b/install/tpl/fedora_dovecot-sql.conf.master
index d242c8c72240bed43ff09fa1db053e35ee1340ba..5d06d51e5d541447326fd90cc63c45dcd25d5bfb 100644
--- a/install/tpl/fedora_dovecot-sql.conf.master
+++ b/install/tpl/fedora_dovecot-sql.conf.master
@@ -139,4 +139,4 @@ user_query = SELECT email as user, maildir as home, CONCAT( maildir_format, ':',
 
 # The iterate_query is required for the doveadm command only and works only on dovecot 2 servers.
 # Do not enable it on Dovecot 1.x servers
-# iterate_query = SELECT email as user FROM mail_user
\ No newline at end of file
+# iterate_query = SELECT email as user FROM mail_user WHERE server_id = '{server_id}'
diff --git a/install/tpl/fedora_dovecot2.conf.master b/install/tpl/fedora_dovecot2.conf.master
index a527676b6541bc887997c1dc0d044689a50acd32..c14af1d44d505dbcdf15a00d2e2b471c80a6f3d6 100644
--- a/install/tpl/fedora_dovecot2.conf.master
+++ b/install/tpl/fedora_dovecot2.conf.master
@@ -61,3 +61,4 @@ protocol lmtp {
   postmaster_address = webmaster@localhost
   mail_plugins = quota sieve
 }
+mail_plugins = $mail_plugins quota
diff --git a/install/tpl/fedora_postfix.conf.master b/install/tpl/fedora_postfix.conf.master
index 974277f4134a2ef0772d0708fca533787d088d30..3aa69ae25a2a7a54e95c604691b84eab5cd6bf46 100644
--- a/install/tpl/fedora_postfix.conf.master
+++ b/install/tpl/fedora_postfix.conf.master
@@ -23,7 +23,7 @@ smtpd_sender_login_maps = proxy:mysql:{config_dir}/mysql-virtual_sender_login_ma
 proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $sender_bcc_maps $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps
 smtpd_helo_required = yes
 smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, reject_invalid_hostname, reject_non_fqdn_hostname, check_helo_access regexp:{config_dir}/blacklist_helo
-smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
+smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
 smtpd_client_restrictions = check_client_access mysql:{config_dir}/mysql-virtual_client.cf
 smtpd_client_message_rate_limit = 100
 maildrop_destination_concurrency_limit = 1
diff --git a/install/tpl/gentoo_postfix.conf.master b/install/tpl/gentoo_postfix.conf.master
index 9556ba3df475e5eb5a128f7e32a852246813039a..b40a9a71d3aa802823d7f98cea73a4f01b0fa70e 100644
--- a/install/tpl/gentoo_postfix.conf.master
+++ b/install/tpl/gentoo_postfix.conf.master
@@ -22,7 +22,7 @@ smtpd_sender_login_maps = proxy:mysql:{config_dir}/mysql-virtual_sender_login_ma
 proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps
 smtpd_helo_required = yes
 smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, reject_invalid_hostname, reject_non_fqdn_hostname, check_helo_access regexp:{config_dir}/blacklist_helo
-smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
+smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
 smtpd_client_restrictions = check_client_access mysql:{config_dir}/mysql-virtual_client.cf
 smtpd_client_message_rate_limit = 100
 maildrop_destination_concurrency_limit = 1
diff --git a/install/tpl/opensuse_amavisd_conf.master b/install/tpl/opensuse_amavisd_conf.master
index df5f03f35370bee74d680aebfc49ff48e8132007..a756bb5b25191b77823be95c794c12af14f8bde6 100644
--- a/install/tpl/opensuse_amavisd_conf.master
+++ b/install/tpl/opensuse_amavisd_conf.master
@@ -145,8 +145,8 @@ $defang_by_ccat{+CC_BADH.",6"} = 1;  # header field syntax error
 
 $myhostname = 'linux-jfp8.site';
 
-$notify_method  = 'smtp:[127.0.0.1]:10027';
-$forward_method = 'smtp:[127.0.0.1]:10025';  # set to undef with milter!
+$notify_method  = 'smtp:*:*';
+$forward_method = 'smtp:*:*';  # set to undef with milter!
 
 # $final_virus_destiny      = D_DISCARD;
 # $final_banned_destiny     = D_BOUNCE;
diff --git a/install/tpl/opensuse_dovecot-sql.conf.master b/install/tpl/opensuse_dovecot-sql.conf.master
index f9ffbf7c069cc58f723a1bca94e8bccd249b824b..5d06d51e5d541447326fd90cc63c45dcd25d5bfb 100644
--- a/install/tpl/opensuse_dovecot-sql.conf.master
+++ b/install/tpl/opensuse_dovecot-sql.conf.master
@@ -139,4 +139,4 @@ user_query = SELECT email as user, maildir as home, CONCAT( maildir_format, ':',
 
 # The iterate_query is required for the doveadm command only and works only on dovecot 2 servers.
 # Do not enable it on Dovecot 1.x servers
-# iterate_query = SELECT email as user FROM mail_user
+# iterate_query = SELECT email as user FROM mail_user WHERE server_id = '{server_id}'
diff --git a/install/tpl/opensuse_dovecot2.conf.master b/install/tpl/opensuse_dovecot2.conf.master
index 8deb305a4c90a1ae96dba91671e95020b11b6bd5..f28c1095d2792989b09e64e3fa3f403c2adca09c 100644
--- a/install/tpl/opensuse_dovecot2.conf.master
+++ b/install/tpl/opensuse_dovecot2.conf.master
@@ -60,3 +60,4 @@ protocol lmtp {
   postmaster_address = webmaster@localhost
   mail_plugins = quota sieve
 }
+mail_plugins = $mail_plugins quota
diff --git a/install/tpl/opensuse_postfix.conf.master b/install/tpl/opensuse_postfix.conf.master
index 016f6726cecbad351262589a90aae33b2b5e5377..cb021b27e5d5260f4450ec982edf1d56fe3a87a7 100644
--- a/install/tpl/opensuse_postfix.conf.master
+++ b/install/tpl/opensuse_postfix.conf.master
@@ -25,7 +25,7 @@ smtpd_sender_login_maps = proxy:mysql:{config_dir}/mysql-virtual_sender_login_ma
 proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $sender_bcc_maps $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps
 smtpd_helo_required = yes
 smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, reject_invalid_hostname, reject_non_fqdn_hostname, check_helo_access regexp:{config_dir}/blacklist_helo
-smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
+smtpd_sender_restrictions = check_sender_access regexp:{config_dir}/tag_as_originating.re {reject_slm}, permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:{config_dir}/mysql-virtual_sender.cf, check_sender_access regexp:{config_dir}/tag_as_foreign.re
 smtpd_client_restrictions = check_client_access mysql:{config_dir}/mysql-virtual_client.cf
 smtpd_client_message_rate_limit = 100
 maildrop_destination_concurrency_limit = 1
diff --git a/install/update.php b/install/update.php
index 94de94574e6ecb1f5ab995a04e7cd32af036e98d..4626b5044e91147c954410eb32ef8100d5d33821 100644
--- a/install/update.php
+++ b/install/update.php
@@ -137,7 +137,7 @@ if(isset($cmd_opt['autoinstall']) && is_file($cmd_opt['autoinstall'])) {
 //** Include the distribution-specific installer class library and configuration
 if(is_file('dist/lib/'.$dist['baseid'].'.lib.php')) include_once 'dist/lib/'.$dist['baseid'].'.lib.php';
 include_once 'dist/lib/'.$dist['id'].'.lib.php';
-include_once 'dist/conf/'.$dist['id'].'.conf.php';
+include_once 'dist/conf/'.$dist['confid'].'.conf.php';
 
 //** Get hostname
 exec('hostname -f', $tmp_out);
diff --git a/interface/lib/classes/json_handler.inc.php b/interface/lib/classes/json_handler.inc.php
index d6d58c3ab97ccdbe9d84385ddf0af2fce36bc39e..de8dd5ba0dd254053821ae910f3a868ba943597f 100644
--- a/interface/lib/classes/json_handler.inc.php
+++ b/interface/lib/classes/json_handler.inc.php
@@ -88,15 +88,11 @@ class ISPConfigJSONHandler {
 		$keys = array_keys($_GET);
 		$method = reset($keys);
 		$params = array();
-
-		if(is_array($_POST)) {
-			foreach($_POST as $key => $val) {
-				$tmp = json_decode($val, true);
-				if(!$tmp) $params[] = $val;
-				else $params[] = (array)$tmp;
-			}
-		}
-
+		
+		$raw = file_get_contents("php://input");
+		$json = json_decode($raw, true);
+		if(!is_array($json)) $this->_return_json('invalid_data', 'The JSON data sent to the api is invalid');
+		
 		if(array_key_exists($method, $this->methods) == false) {
 			$this->_return_json('invalid_method', 'Method ' . $method . ' does not exist');
 		}
@@ -109,7 +105,14 @@ class ISPConfigJSONHandler {
 		if(method_exists($this->classes[$class_name], $method) == false) {
 			$this->_return_json('invalid_method', 'Method ' . $method . ' does not exist in the class it was expected (' . $class_name . ')');
 		}
-
+		
+		$methObj = new ReflectionMethod($this->classes[$class_name], $method);
+		foreach($methObj->getParameters() as $param) {
+			$pname = $param->name;
+			if(isset($json[$pname])) $params[] = $json[$pname];
+			else $params[] = null;
+		}
+		
 		try {
 			$this->_return_json('ok', '', call_user_func_array(array($this->classes[$class_name], $method), $params));
 		} catch(SoapFault $e) {
diff --git a/interface/web/dns/dns_spf_edit.php b/interface/web/dns/dns_spf_edit.php
index ba770a9cfa43a8936e7d6f1e05b0bef7433e985c..ca109272d8aa17111c7094c7a5eb05386a0feb7a 100644
--- a/interface/web/dns/dns_spf_edit.php
+++ b/interface/web/dns/dns_spf_edit.php
@@ -163,7 +163,7 @@ class page_action extends tform_actions {
 		}
 		$spf_ip = trim($this->dataRecord['spf_ip']);
 		if (!empty($spf_ip)) {
-			$rec = split(' ', $spf_ip);
+			$rec = explode(' ', $spf_ip);
 			foreach ($rec as $ip) {
 				$temp_ip = explode('/', $ip);
 				if (filter_var($temp_ip[0], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
@@ -187,7 +187,7 @@ class page_action extends tform_actions {
 		}
 		$spf_hostname = trim($this->dataRecord['spf_hostname']);
 		if (!empty($spf_hostname)) {
-			$rec = split(' ', $spf_hostname);
+			$rec = explode(' ', $spf_hostname);
 			foreach ($rec as $hostname) { 
 				if (preg_match('/^[a-zA-Z0-9\\.\\-\\*]{0,64}$/', $hostname)) 
 					$spf_record[] = 'a:' . $hostname;
@@ -200,7 +200,7 @@ class page_action extends tform_actions {
 		}
 		$spf_domain = trim($this->dataRecord['spf_domain']);
 		if (!empty($spf_domain)) {
-			$rec = split(' ', $spf_domain);
+			$rec = explode(' ', $spf_domain);
 			foreach ($rec as $domain) {
 				if (preg_match('/^[_a-zA-Z0-9\\.\\-\\*]{0,64}$/', $domain))
 					$spf_record[] = 'include:' . $domain;
diff --git a/interface/web/help/list/support_message.list.php b/interface/web/help/list/support_message.list.php
index 1724c5489b3f32b30cc571dad473ba5b676232bc..efb24322e73490f41687ad298042aef016e5e842 100644
--- a/interface/web/help/list/support_message.list.php
+++ b/interface/web/help/list/support_message.list.php
@@ -43,7 +43,8 @@ $liste['item'][] = array( 'field'  => 'sender_id',
 	'suffix' => '',
 	'width'  => '',
 	'datasource'=> array (  'type' => 'SQL',
-		'querystring'  => 'SELECT userid,username FROM sys_user WHERE {AUTHSQL} ORDER BY username',
+//		'querystring'  => 'SELECT userid,username FROM sys_user WHERE {AUTHSQL} ORDER BY username',
+		'querystring'  => 'SELECT userid,username FROM sys_user ORDER BY username',
 		'keyfield'  => 'userid',
 		'valuefield' => 'username'
 	),
diff --git a/interface/web/help/support_message_edit.php b/interface/web/help/support_message_edit.php
index 4fcf5da215b7a99e226eacce34d52dd3612d89e6..9886541e3b76058e1ea525156be0ce1877b9ca06 100644
--- a/interface/web/help/support_message_edit.php
+++ b/interface/web/help/support_message_edit.php
@@ -73,7 +73,7 @@ class page_action extends tform_actions {
 			}
 			$confirmation_message .= "\n\n".$app->tform->lng('message_txt').": \"".$this->dataRecord['message']."\"";
 			$confirmation_message .= "\n\nISPConfig: ".($_SERVER['HTTPS'] == 'on' ? 'https://' : 'http://').$_SERVER['HTTP_HOST'];
-			$app->functions->mail($sender_email, $subject, $confirmation_message, $recipient_email);
+			if ($this->dataRecord['subject'] != '' && $this->dataRecord['message'] != '') $app->functions->mail($sender_email, $subject, $confirmation_message, $recipient_email);
 		} else {
 			$app->tform->errorMessage .= $app->tform->lng("recipient_or_sender_email_address_not_valid_txt")."<br />";
 		}
diff --git a/interface/web/mail/mail_domain_edit.php b/interface/web/mail/mail_domain_edit.php
index d87b921c8476ae7a2fbe4de75fd89b878f65f19e..ad383c474bc7ad45204e48acd7d5592624791a64 100644
--- a/interface/web/mail/mail_domain_edit.php
+++ b/interface/web/mail/mail_domain_edit.php
@@ -241,7 +241,7 @@ class page_action extends tform_actions {
 		if($_SESSION["s"]["user"]["typ"] != 'admin') {
 			// Get the limits of the client
 			$client_group_id = $app->functions->intval($_SESSION["s"]["user"]["default_group"]);
-			$client = $app->db->queryOneRecord("SELECT limit_maildomain, default_mailserver FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ?", $client_group_id);
+			$client = $app->db->queryOneRecord("SELECT client.mail_servers, limit_maildomain, default_mailserver FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = ?", $client_group_id);
 			// When the record is updated
 			if($this->id > 0) {
 				// restore the server ID if the user is not admin and record is edited
diff --git a/interface/web/themes/default/assets/stylesheets/ispconfig.css b/interface/web/themes/default/assets/stylesheets/ispconfig.css
index 866e72127c2ffbacfd2a14ce62cf552c9ad6b384..fedee6f0f2620eccf690a9693f9c843e570afa60 100644
--- a/interface/web/themes/default/assets/stylesheets/ispconfig.css
+++ b/interface/web/themes/default/assets/stylesheets/ispconfig.css
@@ -231,6 +231,9 @@ body {
     transition: background ease 500ms; }
     .table tbody tr:last-child {
       border-radius: 4px; }
+    .table tbody tr td {
+      text-overflow: ellipsis;
+      overflow-x: hidden; }
 
 .tfooter {
   margin-top: -1px;
diff --git a/interface/web/themes/default/assets/stylesheets/ispconfig.min.css b/interface/web/themes/default/assets/stylesheets/ispconfig.min.css
index b02dc47ac64c634ea635229847dd74af58ca352b..4477ceae49cd43eae60b0ce7db2a929cdffd2f1a 100644
--- a/interface/web/themes/default/assets/stylesheets/ispconfig.min.css
+++ b/interface/web/themes/default/assets/stylesheets/ispconfig.min.css
@@ -1 +1 @@
-body{overflow-y:scroll}.left{float:left}.right{float:right}.clear:after{content:"";display:table;clear:both}.marginTop15{margin-top:15px}.paddingX5{padding-left:5px!important;padding-right:5px!important}.width65{width:65px}.form-group input[type='checkbox']{margin-top:10px}.control-label{font-weight:normal}.control-label:after{content:":"}.formbutton-default{padding:6px 30px;border-bottom-style:solid;border-bottom-width:2px;font-size:12px;font-weight:bold;transition:all ease 500ms}.formbutton-success,.formbutton-danger{padding:6px 30px;border-style:solid;border-width:1px;border-bottom-width:solid;font-size:12px;font-weight:bold;transition:all ease 500ms}.formbutton-narrow{padding:6px 8px;margin-left:2px;margin-right:2px}.formbutton-narrower{padding:4px 6px}#main-wrapper{margin:0 auto;width:95%;max-width:1260px}#logo{float:left;width:200px;height:65px;margin-top:10px}#logo a{display:block;width:100%;height:100%}#headerbar{float:right}#searchform{float:right;margin-top:16px}#searchform>div{position:relative;display:table}#searchform>div>div{display:table-cell;padding-right:8px;vertical-align:top}#searchform .icon{padding:0 2px;font-size:16px}#logout-button{float:right;margin-top:16px;margin-left:25px;border-bottom-style:solid;border-bottom-width:2px;transition:all ease 500ms}#main-navigation{margin-top:24px}#main-navigation a{padding:0 12px;height:70px;border-bottom-style:solid;botder-bottom-width:2px;transition:all ease 500ms}#main-navigation .icon{font-size:32px}#main-navigation .title{margin-top:2px;font-weight:bold}.btn-group-justified .btn{border-right-width:0}.btn-group-justified .btn:last-of-type{border-right-width:1px}#content{width:78%}#passBar,#passText{display:inline-block;vertical-align:middle}#passBar{height:11px;padding:0}#passBar>div{height:100%;padding:0}#sidebar{margin-top:27px;width:18%;border-style:solid;border-width:1px;border-radius:4px}#sidebar header{margin:1px;padding:0 10px;height:40px;line-height:40px;font-weight:bold;border-top-left-radius:2px;border-top-right-radius:2px}#sidebar ul{margin:0;padding:0;list-style:none}#sidebar li{padding:10px;border-top-style:solid;border-top-width:1px;font-size:12px}#sidebar a{text-decoration:none;transition:color ease 500ms}.page-header{margin:20px 0;padding:0}.alert-notification a{font-weight:bold;text-decoration:none;transition:color ease 500ms}.alert-label,.alert-content{display:inline-block;vertical-align:top}.alert-label{width:60px}.modules{margin:0;padding:0;list-style:none}.modules li{float:left;margin-right:15px;margin-bottom:15px;padding:8px;width:200px;border-radius:4px;border-style:solid;border-width:1px}.modules .icon{float:left;margin-right:15px;font-size:50px}.modules .left{margin-top:5px}.modules .title{margin-top:6px;margin-left:20px;font-size:16px;font-weight:bold}.modules .button{margin-top:10px;width:100%;border-bottom-style:solid;border-bottom-width:2px;font-size:12px;font-weight:bold;transition:all ease 500ms}.modules a{text-decoration:none}.table-wrapper{margin-bottom:20px;border-radius:4px;border-style:solid;border-width:1px}.table{table-layout:fixed;margin-bottom:1px}.table caption{padding:5px 10px;text-align:left;font-weight:bold;font-size:18px;border-bottom-style:solid;border-bottom-width:1px}.table tbody tr{border-top-style:solid;border-top-width:1px;transition:background ease 500ms}.table tbody tr:last-child{border-radius:4px}.tfooter{margin-top:-1px;height:40px;border-top-style:solid;border-top-width:1px}.pagination{margin:10px 0}.progress{display:inline-block;margin-bottom:0;width:150px;height:10px}p.fieldset-legend{display:none}.content-tab-wrapper{border-style:solid;border-width:1px;border-radius:4px}.content-tab-wrapper .nav-tabs>li>a{border-radius:0;border:none!important;border-right-style:solid!important;border-right-width:1px!important;outline:0;font-weight:bold;transition:background ease 500ms}.content-tab-wrapper .nav-tabs li:not(:first-child) a{margin-left:-2px}.tab-content{padding:25px 10px}.input-group-btn .icon-calendar{font-size:18px}thead.dark th{height:40px;line-height:40px;font-weight:normal}thead.dark th.small-col{width:14%}thead.dark th.tiny-col{width:8%;overflow:hidden;text-overflow:ellipsis}thead.dark th[data-column]{cursor:pointer}thead.dark th[data-column][data-ordered]{font-weight:bold;position:relative}thead.dark th[data-column][data-ordered]:before{content:"";display:block;position:absolute;right:5px;top:16px;width:0;height:0;vertical-align:middle;border-bottom:5px solid #fff;border-top:5px solid transparent;border-right:5px solid transparent;border-left:6px solid transparent;line-height:inherit}thead.dark th[data-column][data-ordered="desc"]:before{top:21px;border-bottom:5px solid transparent;border-top:5px solid #fff}thead.dark td input,thead.dark td select{width:100%}#footer{margin:20px 0;padding-top:20px;border-top-style:solid;border-top-width:1px;text-align:center;font-size:10px}.menu-btn{display:none;cursor:pointer}.df-container,.gs-container{position:relative}.gs-container:after{content:"";display:table;clear:both}ul.df-resultbox,ul.gs-resultbox{display:block;position:absolute;left:0;top:100%;margin:0;padding:0 0 10px;min-width:250px;max-width:500px;z-index:999999;background:#fff;list-style:none;box-shadow:2px 2px 5px #c5c5c5;border-radius:5px}ul.df-resultbox li,ul.gs-resultbox li{float:none;display:block;cursor:pointer;padding:0 10px}ul.gs-resultbox li{padding:3px 10px;line-height:1.1;font-size:.9em}ul.df-resultbox li:nth-child(even),ul.gs-resultbox li:nth-child(even){background:#f2f5f7}ul.df-resultbox li.df-cheader,ul.gs-resultbox li.gs-cheader{background:#fff;padding-top:10px;margin-bottom:10px}ul.df-resultbox li p,ul.gs-resultbox li p{margin-bottom:0;color:inherit}ul.df-resultbox li.df-cheader p.df-cheader-title,ul.gs-resultbox li.gs-cheader p.gs-cheader-title{font-weight:bold;margin-bottom:0}ul.df-resultbox li.df-cheader p.df-cheader-limit,ul.gs-resultbox li.gs-cheader p.gs-cheader-limit{font-weight:normal}ul.df-resultbox li.df-cdata img,ul.gs-resultbox li.gs-cdata img{margin-right:12px}ul.df-resultbox li.df-cdata p span.df-cdata-title,ul.gs-resultbox li.gs-cdata p span.gs-cdata-title{font-weight:bold}ul.gs-resultbox li.gs-cdata p span.gs-cdata-title{display:block}ul.df-resultbox li:first-child,ul.gs-resultbox li:first-child{border-top-left-radius:5px;border-top-right-radius:5px}ul.df-resultbox li:last-child,ul.gs-resultbox li:last-child{border-bottom-left-radius:5px;border-bottom-right-radius:5px}span.flags{background-image:url("../images/flags_sprite.png");background-repeat:no-repeat;min-height:20px;padding-left:27px;vertical-align:middle}span.flag-el{background-position:0 -1475px}span.flag-ad{background-position:0 -1px}span.flag-ae{background-position:0 -23px}span.flag-af{background-position:0 -45px}span.flag-ag{background-position:0 -67px}span.flag-ai{background-position:0 -89px}span.flag-al{background-position:0 -111px}span.flag-am{background-position:0 -133px}span.flag-an{background-position:0 -155px}span.flag-ao{background-position:0 -177px}span.flag-aq{background-position:0 -199px}span.flag-ar{background-position:0 -221px}span.flag-as{background-position:0 -243px}span.flag-at{background-position:0 -265px}span.flag-au{background-position:0 -287px}span.flag-aw{background-position:0 -309px}span.flag-ax{background-position:0 -331px}span.flag-az{background-position:0 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-4995px}span.flag-ug{background-position:0 -5017px}span.flag-um{background-position:0 -5039px}span.flag-us{background-position:0 -5061px}span.flag-uy{background-position:0 -5083px}span.flag-uz{background-position:0 -5105px}span.flag-va{background-position:0 -5127px}span.flag-vc{background-position:0 -5149px}span.flag-ve{background-position:0 -5171px}span.flag-vg{background-position:0 -5193px}span.flag-vi{background-position:0 -5215px}span.flag-vn{background-position:0 -5237px}span.flag-vu{background-position:0 -5259px}span.flag-wf{background-position:0 -5303px}span.flag-ws{background-position:0 -5325px}span.flag-ye{background-position:0 -5347px}span.flag-yt{background-position:0 -5369px}span.flag-za{background-position:0 -5391px}span.flag-zm{background-position:0 -5413px}span.flag-zw{background-position:0 -5435px}@media(-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi){#logo{background-image:url("../images/logo@2x.png");background-size:200px 65px}}.input-group-field{display:table-cell;vertical-align:middle;border-radius:4px;min-width:1%;white-space:nowrap}.input-group-field .form-control{border-radius:inherit!important}.input-group-field:not(:first-child):not(:last-child){border-radius:0}.input-group-field:not(:first-child):not(:last-child) .form-control{border-left-width:0;border-right-width:0}.input-group-field:last-child{border-top-left-radius:0;border-bottom-left-radius:0}
\ No newline at end of file
+body{overflow-y:scroll}.left{float:left}.right{float:right}.clear:after{content:"";display:table;clear:both}.marginTop15{margin-top:15px}.paddingX5{padding-left:5px!important;padding-right:5px!important}.width65{width:65px}.form-group input[type='checkbox']{margin-top:10px}.control-label{font-weight:normal}.control-label:after{content:":"}.formbutton-default{padding:6px 30px;border-bottom-style:solid;border-bottom-width:2px;font-size:12px;font-weight:bold;transition:all ease 500ms}.formbutton-success,.formbutton-danger{padding:6px 30px;border-style:solid;border-width:1px;border-bottom-width:solid;font-size:12px;font-weight:bold;transition:all ease 500ms}.formbutton-narrow{padding:6px 8px;margin-left:2px;margin-right:2px}.formbutton-narrower{padding:4px 6px}#main-wrapper{margin:0 auto;width:95%;max-width:1260px}#logo{float:left;width:200px;height:65px;margin-top:10px}#logo a{display:block;width:100%;height:100%}#headerbar{float:right}#searchform{float:right;margin-top:16px}#searchform>div{position:relative;display:table}#searchform>div>div{display:table-cell;padding-right:8px;vertical-align:top}#searchform .icon{padding:0 2px;font-size:16px}#logout-button{float:right;margin-top:16px;margin-left:25px;border-bottom-style:solid;border-bottom-width:2px;transition:all ease 500ms}#main-navigation{margin-top:24px}#main-navigation a{padding:0 12px;height:70px;border-bottom-style:solid;botder-bottom-width:2px;transition:all ease 500ms}#main-navigation .icon{font-size:32px}#main-navigation .title{margin-top:2px;font-weight:bold}.btn-group-justified .btn{border-right-width:0}.btn-group-justified .btn:last-of-type{border-right-width:1px}#content{width:78%}#passBar,#passText{display:inline-block;vertical-align:middle}#passBar{height:11px;padding:0}#passBar>div{height:100%;padding:0}#sidebar{margin-top:27px;width:18%;border-style:solid;border-width:1px;border-radius:4px}#sidebar header{margin:1px;padding:0 10px;height:40px;line-height:40px;font-weight:bold;border-top-left-radius:2px;border-top-right-radius:2px}#sidebar ul{margin:0;padding:0;list-style:none}#sidebar li{padding:10px;border-top-style:solid;border-top-width:1px;font-size:12px}#sidebar a{text-decoration:none;transition:color ease 500ms}.page-header{margin:20px 0;padding:0}.alert-notification a{font-weight:bold;text-decoration:none;transition:color ease 500ms}.alert-label,.alert-content{display:inline-block;vertical-align:top}.alert-label{width:60px}.modules{margin:0;padding:0;list-style:none}.modules li{float:left;margin-right:15px;margin-bottom:15px;padding:8px;width:200px;border-radius:4px;border-style:solid;border-width:1px}.modules .icon{float:left;margin-right:15px;font-size:50px}.modules .left{margin-top:5px}.modules .title{margin-top:6px;margin-left:20px;font-size:16px;font-weight:bold}.modules .button{margin-top:10px;width:100%;border-bottom-style:solid;border-bottom-width:2px;font-size:12px;font-weight:bold;transition:all ease 500ms}.modules a{text-decoration:none}.table-wrapper{margin-bottom:20px;border-radius:4px;border-style:solid;border-width:1px}.table{table-layout:fixed;margin-bottom:1px}.table caption{padding:5px 10px;text-align:left;font-weight:bold;font-size:18px;border-bottom-style:solid;border-bottom-width:1px}.table tbody tr{border-top-style:solid;border-top-width:1px;transition:background ease 500ms}.table tbody tr:last-child{border-radius:4px}.table tbody tr td{text-overflow:ellipsis;overflow-x:hidden}.tfooter{margin-top:-1px;height:40px;border-top-style:solid;border-top-width:1px}.pagination{margin:10px 0}.progress{display:inline-block;margin-bottom:0;width:150px;height:10px}p.fieldset-legend{display:none}.content-tab-wrapper{border-style:solid;border-width:1px;border-radius:4px}.content-tab-wrapper .nav-tabs>li>a{border-radius:0;border:none!important;border-right-style:solid!important;border-right-width:1px!important;outline:0;font-weight:bold;transition:background ease 500ms}.content-tab-wrapper .nav-tabs li:not(:first-child) a{margin-left:-2px}.tab-content{padding:25px 10px}.input-group-btn .icon-calendar{font-size:18px}thead.dark th{height:40px;line-height:40px;font-weight:normal}thead.dark th.small-col{width:14%}thead.dark th.tiny-col{width:8%;overflow:hidden;text-overflow:ellipsis}thead.dark th[data-column]{cursor:pointer}thead.dark th[data-column][data-ordered]{font-weight:bold;position:relative}thead.dark th[data-column][data-ordered]:before{content:"";display:block;position:absolute;right:5px;top:16px;width:0;height:0;vertical-align:middle;border-bottom:5px solid #fff;border-top:5px solid transparent;border-right:5px solid transparent;border-left:6px solid transparent;line-height:inherit}thead.dark th[data-column][data-ordered="desc"]:before{top:21px;border-bottom:5px solid transparent;border-top:5px solid #fff}thead.dark td input,thead.dark td select{width:100%}#footer{margin:20px 0;padding-top:20px;border-top-style:solid;border-top-width:1px;text-align:center;font-size:10px}.menu-btn{display:none;cursor:pointer}.df-container,.gs-container{position:relative}.gs-container:after{content:"";display:table;clear:both}ul.df-resultbox,ul.gs-resultbox{display:block;position:absolute;left:0;top:100%;margin:0;padding:0 0 10px;min-width:250px;max-width:500px;z-index:999999;background:#fff;list-style:none;box-shadow:2px 2px 5px #c5c5c5;border-radius:5px}ul.df-resultbox li,ul.gs-resultbox li{float:none;display:block;cursor:pointer;padding:0 10px}ul.gs-resultbox li{padding:3px 10px;line-height:1.1;font-size:.9em}ul.df-resultbox li:nth-child(even),ul.gs-resultbox li:nth-child(even){background:#f2f5f7}ul.df-resultbox li.df-cheader,ul.gs-resultbox li.gs-cheader{background:#fff;padding-top:10px;margin-bottom:10px}ul.df-resultbox li p,ul.gs-resultbox li p{margin-bottom:0;color:inherit}ul.df-resultbox li.df-cheader p.df-cheader-title,ul.gs-resultbox li.gs-cheader p.gs-cheader-title{font-weight:bold;margin-bottom:0}ul.df-resultbox li.df-cheader p.df-cheader-limit,ul.gs-resultbox li.gs-cheader p.gs-cheader-limit{font-weight:normal}ul.df-resultbox li.df-cdata img,ul.gs-resultbox li.gs-cdata img{margin-right:12px}ul.df-resultbox li.df-cdata p span.df-cdata-title,ul.gs-resultbox li.gs-cdata p span.gs-cdata-title{font-weight:bold}ul.gs-resultbox li.gs-cdata p span.gs-cdata-title{display:block}ul.df-resultbox li:first-child,ul.gs-resultbox li:first-child{border-top-left-radius:5px;border-top-right-radius:5px}ul.df-resultbox li:last-child,ul.gs-resultbox li:last-child{border-bottom-left-radius:5px;border-bottom-right-radius:5px}span.flags{background-image:url("../images/flags_sprite.png");background-repeat:no-repeat;min-height:20px;padding-left:27px;vertical-align:middle}span.flag-el{background-position:0 -1475px}span.flag-ad{background-position:0 -1px}span.flag-ae{background-position:0 -23px}span.flag-af{background-position:0 -45px}span.flag-ag{background-position:0 -67px}span.flag-ai{background-position:0 -89px}span.flag-al{background-position:0 -111px}span.flag-am{background-position:0 -133px}span.flag-an{background-position:0 -155px}span.flag-ao{background-position:0 -177px}span.flag-aq{background-position:0 -199px}span.flag-ar{background-position:0 -221px}span.flag-as{background-position:0 -243px}span.flag-at{background-position:0 -265px}span.flag-au{background-position:0 -287px}span.flag-aw{background-position:0 -309px}span.flag-ax{background-position:0 -331px}span.flag-az{background-position:0 -353px}span.flag-ba{background-position:0 -375px}span.flag-bb{background-position:0 -397px}span.flag-bd{background-position:0 -419px}span.flag-be{background-position:0 -441px}span.flag-bf{background-position:0 -463px}span.flag-bg{background-position:0 -485px}span.flag-bh{background-position:0 -507px}span.flag-bi{background-position:0 -529px}span.flag-bj{background-position:0 -551px}span.flag-bm{background-position:0 -573px}span.flag-bn{background-position:0 -595px}span.flag-bo{background-position:0 -617px}span.flag-br{background-position:0 -639px}span.flag-bs{background-position:0 -661px}span.flag-bt{background-position:0 -683px}span.flag-bv{background-position:0 -705px}span.flag-bw{background-position:0 -727px}span.flag-by{background-position:0 -749px}span.flag-bz{background-position:0 -771px}span.flag-ca{background-position:0 -793px}span.flag-cc{background-position:0 -837px}span.flag-cd{background-position:0 -859px}span.flag-cf{background-position:0 -881px}span.flag-cg{background-position:0 -903px}span.flag-ch{background-position:0 -925px}span.flag-ci{background-position:0 -947px}span.flag-ck{background-position:0 -969px}span.flag-cl{background-position:0 -991px}span.flag-cm{background-position:0 -1013px}span.flag-cn{background-position:0 -1035px}span.flag-co{background-position:0 -1057px}span.flag-cr{background-position:0 -1079px}span.flag-cs{background-position:0 -1101px}span.flag-cu{background-position:0 -1123px}span.flag-cv{background-position:0 -1145px}span.flag-cx{background-position:0 -1167px}span.flag-cy{background-position:0 -1189px}span.flag-cz{background-position:0 -1211px}span.flag-de{background-position:0 -1233px}span.flag-dj{background-position:0 -1255px}span.flag-dk{background-position:0 -1277px}span.flag-dm{background-position:0 -1299px}span.flag-do{background-position:0 -1321px}span.flag-dz{background-position:0 -1343px}span.flag-ec{background-position:0 -1365px}span.flag-ee{background-position:0 -1387px}span.flag-eg{background-position:0 -1409px}span.flag-eh{background-position:0 -1431px}span.flag-er{background-position:0 -1475px}span.flag-es{background-position:0 -1497px}span.flag-et{background-position:0 -1519px}span.flag-fi{background-position:0 -1585px}span.flag-fj{background-position:0 -1607px}span.flag-fk{background-position:0 -1629px}span.flag-fm{background-position:0 -1651px}span.flag-fo{background-position:0 -1673px}span.flag-fr{background-position:0 -1695px}span.flag-ga{background-position:0 -1717px}span.flag-gb,span.flag-en{background-position:0 -1739px}span.flag-gd{background-position:0 -1761px}span.flag-ge{background-position:0 -1783px}span.flag-gf{background-position:0 -1805px}span.flag-gh{background-position:0 -1827px}span.flag-gi{background-position:0 -1849px}span.flag-gl{background-position:0 -1871px}span.flag-gm{background-position:0 -1893px}span.flag-gn{background-position:0 -1915px}span.flag-gp{background-position:0 -1937px}span.flag-gq{background-position:0 -1959px}span.flag-gr{background-position:0 -1981px}span.flag-gs{background-position:0 -2003px}span.flag-gt{background-position:0 -2025px}span.flag-gu{background-position:0 -2047px}span.flag-gw{background-position:0 -2069px}span.flag-gy{background-position:0 -2091px}span.flag-hk{background-position:0 -2113px}span.flag-hm{background-position:0 -2135px}span.flag-hn{background-position:0 -2157px}span.flag-hr{background-position:0 -2179px}span.flag-ht{background-position:0 -2201px}span.flag-hu{background-position:0 -2223px}span.flag-id{background-position:0 -2245px}span.flag-ie{background-position:0 -2267px}span.flag-il{background-position:0 -2289px}span.flag-in{background-position:0 -2311px}span.flag-io{background-position:0 -2333px}span.flag-iq{background-position:0 -2355px}span.flag-ir{background-position:0 -2377px}span.flag-is{background-position:0 -2399px}span.flag-it{background-position:0 -2421px}span.flag-jm{background-position:0 -2443px}span.flag-jo{background-position:0 -2465px}span.flag-jp{background-position:0 -2487px}span.flag-ke{background-position:0 -2509px}span.flag-kg{background-position:0 -2531px}span.flag-kh{background-position:0 -2553px}span.flag-ki{background-position:0 -2575px}span.flag-km{background-position:0 -2597px}span.flag-kn{background-position:0 -2619px}span.flag-kp{background-position:0 -2641px}span.flag-kr{background-position:0 -2663px}span.flag-kw{background-position:0 -2685px}span.flag-ky{background-position:0 -2707px}span.flag-kz{background-position:0 -2729px}span.flag-la{background-position:0 -2751px}span.flag-lb{background-position:0 -2773px}span.flag-lc{background-position:0 -2795px}span.flag-li{background-position:0 -2817px}span.flag-lk{background-position:0 -2839px}span.flag-lr{background-position:0 -2861px}span.flag-ls{background-position:0 -2883px}span.flag-lt{background-position:0 -2905px}span.flag-lu{background-position:0 -2927px}span.flag-lv{background-position:0 -2949px}span.flag-ly{background-position:0 -2971px}span.flag-ma{background-position:0 -2993px}span.flag-mc{background-position:0 -3015px}span.flag-md{background-position:0 -3037px}span.flag-me{background-position:0 -3059px}span.flag-mg{background-position:0 -3081px}span.flag-mh{background-position:0 -3103px}span.flag-mk{background-position:0 -3125px}span.flag-ml{background-position:0 -3147px}span.flag-mm{background-position:0 -3169px}span.flag-mn{background-position:0 -3191px}span.flag-mo{background-position:0 -3213px}span.flag-mp{background-position:0 -3235px}span.flag-mq{background-position:0 -3257px}span.flag-mr{background-position:0 -3279px}span.flag-ms{background-position:0 -3301px}span.flag-mt{background-position:0 -3323px}span.flag-mu{background-position:0 -3345px}span.flag-mv{background-position:0 -3367px}span.flag-mw{background-position:0 -3389px}span.flag-mx{background-position:0 -3411px}span.flag-my{background-position:0 -3433px}span.flag-mz{background-position:0 -3455px}span.flag-na{background-position:0 -3477px}span.flag-nc{background-position:0 -3499px}span.flag-ne{background-position:0 -3521px}span.flag-nf{background-position:0 -3543px}span.flag-ng{background-position:0 -3565px}span.flag-ni{background-position:0 -3587px}span.flag-nl{background-position:0 -3609px}span.flag-no{background-position:0 -3631px}span.flag-np{background-position:0 -3653px}span.flag-nr{background-position:0 -3675px}span.flag-nu{background-position:0 -3697px}span.flag-nz{background-position:0 -3719px}span.flag-om{background-position:0 -3741px}span.flag-pa{background-position:0 -3763px}span.flag-pe{background-position:0 -3785px}span.flag-pf{background-position:0 -3807px}span.flag-pg{background-position:0 -3829px}span.flag-ph{background-position:0 -3851px}span.flag-pk{background-position:0 -3873px}span.flag-pl{background-position:0 -3895px}span.flag-pm{background-position:0 -3917px}span.flag-pn{background-position:0 -3939px}span.flag-pr{background-position:0 -3961px}span.flag-ps{background-position:0 -3983px}span.flag-pt{background-position:0 -4005px}span.flag-pw{background-position:0 -4027px}span.flag-py{background-position:0 -4049px}span.flag-qa{background-position:0 -4071px}span.flag-re{background-position:0 -4093px}span.flag-ro{background-position:0 -4115px}span.flag-rs{background-position:0 -4137px}span.flag-ru{background-position:0 -4159px}span.flag-rw{background-position:0 -4181px}span.flag-sa{background-position:0 -4203px}span.flag-sb{background-position:0 -4225px}span.flag-sc{background-position:0 -4247px}span.flag-sd{background-position:0 -4291px}span.flag-se{background-position:0 -4313px}span.flag-sg{background-position:0 -4335px}span.flag-sh{background-position:0 -4357px}span.flag-si{background-position:0 -4379px}span.flag-sj{background-position:0 -4401px}span.flag-sk{background-position:0 -4423px}span.flag-sl{background-position:0 -4445px}span.flag-sm{background-position:0 -4467px}span.flag-sn{background-position:0 -4489px}span.flag-so{background-position:0 -4511px}span.flag-sr{background-position:0 -4533px}span.flag-st{background-position:0 -4555px}span.flag-sv{background-position:0 -4577px}span.flag-sy{background-position:0 -4599px}span.flag-sz{background-position:0 -4621px}span.flag-tc{background-position:0 -4643px}span.flag-td{background-position:0 -4665px}span.flag-tf{background-position:0 -4687px}span.flag-tg{background-position:0 -4709px}span.flag-th{background-position:0 -4731px}span.flag-tj{background-position:0 -4753px}span.flag-tk{background-position:0 -4775px}span.flag-tl{background-position:0 -4797px}span.flag-tm{background-position:0 -4819px}span.flag-tn{background-position:0 -4841px}span.flag-to{background-position:0 -4863px}span.flag-tr{background-position:0 -4885px}span.flag-tt{background-position:0 -4907px}span.flag-tv{background-position:0 -4929px}span.flag-tw{background-position:0 -4951px}span.flag-tz{background-position:0 -4973px}span.flag-ua{background-position:0 -4995px}span.flag-ug{background-position:0 -5017px}span.flag-um{background-position:0 -5039px}span.flag-us{background-position:0 -5061px}span.flag-uy{background-position:0 -5083px}span.flag-uz{background-position:0 -5105px}span.flag-va{background-position:0 -5127px}span.flag-vc{background-position:0 -5149px}span.flag-ve{background-position:0 -5171px}span.flag-vg{background-position:0 -5193px}span.flag-vi{background-position:0 -5215px}span.flag-vn{background-position:0 -5237px}span.flag-vu{background-position:0 -5259px}span.flag-wf{background-position:0 -5303px}span.flag-ws{background-position:0 -5325px}span.flag-ye{background-position:0 -5347px}span.flag-yt{background-position:0 -5369px}span.flag-za{background-position:0 -5391px}span.flag-zm{background-position:0 -5413px}span.flag-zw{background-position:0 -5435px}@media(-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi){#logo{background-image:url("../images/logo@2x.png");background-size:200px 65px}}.input-group-field{display:table-cell;vertical-align:middle;border-radius:4px;min-width:1%;white-space:nowrap}.input-group-field .form-control{border-radius:inherit!important}.input-group-field:not(:first-child):not(:last-child){border-radius:0}.input-group-field:not(:first-child):not(:last-child) .form-control{border-left-width:0;border-right-width:0}.input-group-field:last-child{border-top-left-radius:0;border-bottom-left-radius:0}
\ No newline at end of file
diff --git a/interface/web/themes/default/assets/stylesheets/select2x2.png b/interface/web/themes/default/assets/stylesheets/select2x2.png
new file mode 100644
index 0000000000000000000000000000000000000000..4bdd5c961d452c49dfa0789c2c7ffb82c238fc24
Binary files /dev/null and b/interface/web/themes/default/assets/stylesheets/select2x2.png differ
diff --git a/remoting_client/examples/rest_example.php b/remoting_client/examples/rest_example.php
new file mode 100644
index 0000000000000000000000000000000000000000..24a009c14b326357571f79ee7a2280361562ff29
--- /dev/null
+++ b/remoting_client/examples/rest_example.php
@@ -0,0 +1,57 @@
+<?php
+
+
+$remote_user = 'test';
+$remote_pass = 'apipassword';
+$remote_url = 'https://yourserver.com:8080/remote/json.php';
+
+function restCall($method, $data) {
+	global $remote_url;
+	
+	if(!is_array($data)) return false;
+	$json = json_encode($data);
+	
+	$curl = curl_init();
+	curl_setopt($curl, CURLOPT_POST, 1);
+
+	if($data) curl_setopt($curl, CURLOPT_POSTFIELDS, $json);
+
+	// needed for self-signed cert
+	curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
+	curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
+	// end of needed for self-signed cert
+	
+	curl_setopt($curl, CURLOPT_URL, $remote_url . '?' . $method);
+	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+	
+	$result = curl_exec($curl);
+	curl_close($curl);
+
+	return $result;
+}
+
+$result = restCall('login', array('username' => $remote_user, 'password' => $remote_pass, 'client_login' => false));
+if($result) {
+	$data = json_decode($result, true);
+	if(!$data) die("ERROR!\n");
+	
+	$session_id = $data['response'];
+	
+	$result = restCall('client_get', array('session_id' => $session_id, 'client_id' => array('username' => 'abcde')));
+	if($result) var_dump(json_decode($result, true));
+	else print "Could not get client_get result\n";
+	
+	// or by id
+	$result = restCall('client_get', array('session_id' => $session_id, 'client_id' => 2));
+	if($result) var_dump(json_decode($result, true));
+	else print "Could not get client_get result\n";
+	
+	// or all
+	$result = restCall('client_get', array('session_id' => $session_id, 'client_id' => array()));
+	if($result) var_dump(json_decode($result, true));
+	else print "Could not get client_get result\n";
+
+	$result = restCall('logout', array('session_id' => $session_id));
+	if($result) var_dump(json_decode($result, true));
+	else print "Could not get logout result\n";
+}
diff --git a/server/conf/vhost.conf.master b/server/conf/vhost.conf.master
index 230f089df6d09388500891274d427475a9b36679..66b46088065ac6e6dc4cac940fd9e05abfd35511 100644
--- a/server/conf/vhost.conf.master
+++ b/server/conf/vhost.conf.master
@@ -57,9 +57,9 @@
 		SSLProtocol All -SSLv2 -SSLv3
 		SSLCipherSuite          ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA
 		SSLHonorCipherOrder     on
-		<IfModule mod_headers.c>
-		Header always add Strict-Transport-Security "max-age=15768000"
-		</IfModule>
+		# <IfModule mod_headers.c>
+		# Header always add Strict-Transport-Security "max-age=15768000"
+		# </IfModule>
 		SSLCertificateFile <tmpl_var name='document_root'>/ssl/<tmpl_var name='ssl_domain'>.crt
 		SSLCertificateKeyFile <tmpl_var name='document_root'>/ssl/<tmpl_var name='ssl_domain'>.key
 <tmpl_if name='has_bundle_cert'>
diff --git a/server/lib/classes/cron.d/900-letsencrypt.inc.php b/server/lib/classes/cron.d/900-letsencrypt.inc.php
index f00adc21945d17dffe98451dd30866641e01772d..7e1655e7737cd48c069586a161ff5a4b55b13c87 100644
--- a/server/lib/classes/cron.d/900-letsencrypt.inc.php
+++ b/server/lib/classes/cron.d/900-letsencrypt.inc.php
@@ -36,8 +36,10 @@ class cronjob_letsencrypt extends cronjob {
 	public function onRunJob() {
 		global $app, $conf;
 
-		if(file_exists("/root/.local/share/letsencrypt/bin/letsencrypt")) {
-			exec('/root/.local/share/letsencrypt/bin/letsencrypt renew');
+		$letsencrypt = array_shift( split("\n", `which letsencrypt /root/.local/share/letsencrypt/bin/letsencrypt`) );
+		if(is_executable($letsencrypt)) {
+			exec($letsencrypt . ' -n renew');
+			$app->services->restartServiceDelayed('httpd', 'reload');
 		}
 		
 		parent::onRunJob();
diff --git a/server/lib/classes/monitor_tools.inc.php b/server/lib/classes/monitor_tools.inc.php
index 8d71d9b3a1dfd99cdde43474622820d790eb8f61..f2b7467b629aca3d8838b71352fc0ff3ceac662d 100644
--- a/server/lib/classes/monitor_tools.inc.php
+++ b/server/lib/classes/monitor_tools.inc.php
@@ -35,23 +35,29 @@ class monitor_tools {
 	//   This is the same code as in install/lib/install.lib.php
 	//   So if you change it here, you also have to change it in there!
 	//   Please do not forget to remove the swriteln(); - lines here at this file
-	public function get_distname() {
-
-		$distname = '';
-		$distver = '';
-		$distid = '';
-		$distbaseid = '';
-
-		//** Debian or Ubuntu
-		if (file_exists('/etc/debian_version')) {
-			if (strstr(trim(file_get_contents('/etc/issue')), 'Ubuntu')) {
-				if (strstr(trim(file_get_contents('/etc/issue')), 'LTS')) {
+	function get_distname() {
+
+	$distname = '';
+	$distver = '';
+	$distid = '';
+	$distbaseid = '';
+
+	//** Debian or Ubuntu
+	if(file_exists('/etc/debian_version')) {
+		
+		// Check if this is Ubuntu and not Debian
+		if (strstr(trim(file_get_contents('/etc/issue')), 'Ubuntu') || (is_file('/etc/os-release') && stristr(file_get_contents('/etc/os-release'), 'Ubuntu'))) {
+			
+			$issue = file_get_contents('/etc/issue');
+			
+			// Use content of /etc/issue file
+			if(strstr($issue,'Ubuntu')) {
+				if (strstr(trim($issue), 'LTS')) {
 					$lts=" LTS";
 				} else {
 					$lts="";
 				}
 
-				$issue=file_get_contents('/etc/issue');
 				$distname = 'Ubuntu';
 				$distid = 'debian40';
 				$distbaseid = 'debian';
@@ -61,206 +67,262 @@ class monitor_tools {
 				$mainver = explode('.', $ver);
 				$mainver = array_filter($mainver);
 				$mainver = current($mainver).'.'.next($mainver);
-				switch ($mainver){
-				case "16.04":
-					$relname = "(Xenial Xerus)";
-					$distid = 'ubuntu1604';
-					break;
-				case "15.10":
-					$relname = "(Wily Werewolf)";
-					break;
-				case "15.04":
-					$relname = "(Vivid Vervet)";
-					break;
-				case "14.10":
-					$relname = "(Utopic Unicorn)";
-					break;
-				case "14.04":
-					$relname = "(Trusty Tahr)";
-					break;
-				case "13.10":
-					$relname = "(Saucy Salamander)";
-					break;
-				case "13.04":
-					$relname = "(Raring Ringtail)";
-					break;
-				case "12.10":
-					$relname = "(Quantal Quetzal)";
-					break;
-				case "12.04":
-					$relname = "(Precise Pangolin)";
-					break;
-				case "11.10":
-					$relname = "(Oneiric Ocelot)";
-					break;
-				case "11.14":
-					$relname = "(Natty Narwhal)";
-					break;
-				case "10.10":
-					$relname = "(Maverick Meerkat)";
-					break;
-				case "10.04":
-					$relname = "(Lucid Lynx)";
-					break;
-				case "9.10":
-					$relname = "(Karmic Koala)";
-					break;
-				case "9.04":
-					$relname = "(Jaunty Jackpole)";
-					break;
-				case "8.10":
-					$relname = "(Intrepid Ibex)";
-					break;
-				case "8.04":
-					$relname = "(Hardy Heron)";
-					break;
-				case "7.10":
-					$relname = "(Gutsy Gibbon)";
-					break;
-				case "7.04":
-					$relname = "(Feisty Fawn)";
-					break;
-				case "6.10":
-					$relname = "(Edgy Eft)";
-					break;
-				case "6.06":
-					$relname = "(Dapper Drake)";
-					break;
-				case "5.10":
-					$relname = "(Breezy Badger)";
-					break;
-				case "5.04":
-					$relname = "(Hoary Hedgehog)";
-					break;
-				case "4.10":
-					$relname = "(Warty Warthog)";
-					break;
-				default:
-					$relname = "UNKNOWN";
-				}
-				$distver = $ver.$lts." ".$relname;
-			} elseif(trim(file_get_contents('/etc/debian_version')) == '4.0') {
-				$distname = 'Debian';
-				$distver = '4.0';
-				$distid = 'debian40';
-				$distbaseid = 'debian';
-			} elseif (strstr(trim(file_get_contents('/etc/debian_version')), '5.0')) {
-				$distname = 'Debian';
-				$distver = 'Lenny';
-				$distid = 'debian40';
-				$distbaseid = 'debian';
-			} elseif (strstr(trim(file_get_contents('/etc/debian_version')), '6.0') || trim(file_get_contents('/etc/debian_version')) == 'squeeze/sid') {
-				$distname = 'Debian';
-				$distver = 'Squeeze/Sid';
-				$distid = 'debian60';
-				$distbaseid = 'debian';
-			} elseif (strstr(trim(file_get_contents('/etc/debian_version')), '7.0') || substr(trim(file_get_contents('/etc/debian_version')),0,2) == '7.' || trim(file_get_contents('/etc/debian_version')) == 'wheezy/sid') {
-				$distname = 'Debian';
-				$distver = 'Wheezy/Sid';
-				$distid = 'debian60';
-				$distbaseid = 'debian';
-			} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '8') || substr(trim(file_get_contents('/etc/debian_version')),0,1) == '8') {
-				$distname = 'Debian';
-				$distver = 'Jessie';
-				$distid = 'debian60';
-				$distbaseid = 'debian';
+			// Use content of /etc/os-release file
 			} else {
-				$distname = 'Debian';
-				$distver = 'Unknown';
+				$os_release = file_get_contents('/etc/os-release');
+				if (strstr(trim($os_release), 'LTS')) {
+					$lts = " LTS";
+				} else {
+					$lts = "";
+				}
+				
+				$distname = 'Ubuntu';
 				$distid = 'debian40';
 				$distbaseid = 'debian';
+
+				preg_match("/.*VERSION=\"(.*)\".*/ui", $os_release, $ver);
+				$ver = str_replace("LTS", "", $ver[1]);
+				$ver = explode(" ", $ver, 2);
+				$ver = reset($ver);
+				$mainver = $ver;
 			}
+			switch ($mainver){
+			case "16.04":
+				$relname = "(Xenial Xerus)";
+				$distconfid = 'ubuntu1604';
+				break;
+			case "15.10":
+				$relname = "(Wily Werewolf)";
+				break;
+			case "15.04":
+				$relname = "(Vivid Vervet)";
+				break;
+			case "14.10":
+				$relname = "(Utopic Unicorn)";
+				break;
+			case "14.04":
+				$relname = "(Trusty Tahr)";
+				break;
+			case "13.10":
+				$relname = "(Saucy Salamander)";
+				break;
+			case "13.04":
+				$relname = "(Raring Ringtail)";
+				break;
+			case "12.10":
+				$relname = "(Quantal Quetzal)";
+				break;
+			case "12.04":
+				$relname = "(Precise Pangolin)";
+				break;
+			case "11.10":
+				$relname = "(Oneiric Ocelot)";
+				break;
+			case "11.14":
+				$relname = "(Natty Narwhal)";
+				break;
+			case "10.10":
+				$relname = "(Maverick Meerkat)";
+				break;
+			case "10.04":
+				$relname = "(Lucid Lynx)";
+				break;
+			case "9.10":
+				$relname = "(Karmic Koala)";
+				break;
+			case "9.04":
+				$relname = "(Jaunty Jackpole)";
+				break;
+			case "8.10":
+				$relname = "(Intrepid Ibex)";
+				break;
+			case "8.04":
+				$relname = "(Hardy Heron)";
+				break;
+			case "7.10":
+				$relname = "(Gutsy Gibbon)";
+				break;
+			case "7.04":
+				$relname = "(Feisty Fawn)";
+				break;
+			case "6.10":
+				$relname = "(Edgy Eft)";
+				break;
+			case "6.06":
+				$relname = "(Dapper Drake)";
+				break;
+			case "5.10":
+				$relname = "(Breezy Badger)";
+				break;
+			case "5.04":
+				$relname = "(Hoary Hedgehog)";
+				break;
+			case "4.10":
+				$relname = "(Warty Warthog)";
+				break;
+			default:
+				$relname = "UNKNOWN";
+			}
+			$distver = $ver.$lts." ".$relname;
+			swriteln("Operating System: ".$distname.' '.$distver."\n");
+		} elseif(trim(file_get_contents('/etc/debian_version')) == '4.0') {
+			$distname = 'Debian';
+			$distver = '4.0';
+			$distid = 'debian40';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 4.0 or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '5.0')) {
+			$distname = 'Debian';
+			$distver = 'Lenny';
+			$distid = 'debian40';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian Lenny or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '6.0') || trim(file_get_contents('/etc/debian_version')) == 'squeeze/sid') {
+			$distname = 'Debian';
+			$distver = 'Squeeze/Sid';
+			$distid = 'debian60';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 6.0 (Squeeze/Sid) or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '7.0') || substr(trim(file_get_contents('/etc/debian_version')),0,2) == '7.' || trim(file_get_contents('/etc/debian_version')) == 'wheezy/sid') {
+			$distname = 'Debian';
+			$distver = 'Wheezy/Sid';
+			$distid = 'debian60';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 7.0 (Wheezy/Sid) or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '8') || substr(trim(file_get_contents('/etc/debian_version')),0,1) == '8') {
+			$distname = 'Debian';
+			$distver = 'Jessie';
+			$distid = 'debian60';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 8.0 (Jessie) or compatible\n");
+		} else {
+			$distname = 'Debian';
+			$distver = 'Unknown';
+			$distid = 'debian40';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian or compatible, unknown version.\n");
 		}
+	}
 
-		//** OpenSuSE
-		elseif (file_exists('/etc/SuSE-release')) {
-			if (stristr(file_get_contents('/etc/SuSE-release'), '11.0')) {
-				$distname = 'openSUSE';
-				$distver = '11.0';
-				$distid = 'opensuse110';
-				$distbaseid = 'opensuse';
-			} elseif (stristr(file_get_contents('/etc/SuSE-release'), '11.1')) {
-				$distname = 'openSUSE';
-				$distver = '11.1';
-				$distid = 'opensuse110';
-				$distbaseid = 'opensuse';
-			} elseif (stristr(file_get_contents('/etc/SuSE-release'), '11.2')) {
-				$distname = 'openSUSE';
-				$distver = '11.1';
-				$distid = 'opensuse110';
-				$distbaseid = 'opensuse';
-			} else {
-				$distname = 'openSUSE';
-				$distver = 'Unknown';
-				$distid = 'opensuse110';
-				$distbaseid = 'opensuse';
-			}
+	//** OpenSuSE
+	elseif(file_exists('/etc/SuSE-release')) {
+		if(stristr(file_get_contents('/etc/SuSE-release'), '11.0')) {
+			$distname = 'openSUSE';
+			$distver = '11.0';
+			$distid = 'opensuse110';
+			$distbaseid = 'opensuse';
+			swriteln("Operating System: openSUSE 11.0 or compatible\n");
+		} elseif(stristr(file_get_contents('/etc/SuSE-release'), '11.1')) {
+			$distname = 'openSUSE';
+			$distver = '11.1';
+			$distid = 'opensuse110';
+			$distbaseid = 'opensuse';
+			swriteln("Operating System: openSUSE 11.1 or compatible\n");
+		} elseif(stristr(file_get_contents('/etc/SuSE-release'), '11.2')) {
+			$distname = 'openSUSE';
+			$distver = '11.2';
+			$distid = 'opensuse112';
+			$distbaseid = 'opensuse';
+			swriteln("Operating System: openSUSE 11.2 or compatible\n");
+		}  else {
+			$distname = 'openSUSE';
+			$distver = 'Unknown';
+			$distid = 'opensuse112';
+			$distbaseid = 'opensuse';
+			swriteln("Operating System: openSUSE or compatible, unknown version.\n");
 		}
+	}
 
 
-		//** Redhat
-		elseif (file_exists('/etc/redhat-release')) {
-
-			$content = file_get_contents('/etc/redhat-release');
-
-			if (stristr($content, 'Fedora release 9 (Sulphur)')) {
-				$distname = 'Fedora';
-				$distver = '9';
-				$distid = 'fedora9';
-				$distbaseid = 'fedora';
-			} elseif (stristr($content, 'Fedora release 10 (Cambridge)')) {
-				$distname = 'Fedora';
-				$distver = '10';
-				$distid = 'fedora9';
-				$distbaseid = 'fedora';
-			} elseif (stristr($content, 'Fedora release 10')) {
-				$distname = 'Fedora';
-				$distver = '11';
-				$distid = 'fedora9';
-				$distbaseid = 'fedora';
-			} elseif (stristr($content, 'CentOS release 5.2 (Final)')) {
-				$distname = 'CentOS';
-				$distver = '5.2';
-				$distid = 'centos52';
-				$distbaseid = 'fedora';
-			} elseif (stristr($content, 'CentOS release 5.3 (Final)')) {
-				$distname = 'CentOS';
-				$distver = '5.3';
-				$distid = 'centos53';
-				$distbaseid = 'fedora';
-			} elseif(stristr($content, 'CentOS Linux release 6')) {
-				$distname = 'CentOS';
-				$distver = 'Unknown';
-				$distid = 'centos53';
-				$distbaseid = 'fedora';
-			} elseif(stristr($content, 'CentOS Linux release 7')) {
-				$distname = 'CentOS';
-				$distver = 'Unknown';
-				$distid = 'centos53';
-				$distbaseid = 'fedora';
-			} else {
-				$distname = 'Redhat';
-				$distver = 'Unknown';
-				$distid = 'fedora9';
-				$distbaseid = 'fedora';
-			}
+	//** Redhat
+	elseif(file_exists('/etc/redhat-release')) {
+
+		$content = file_get_contents('/etc/redhat-release');
+
+		if(stristr($content, 'Fedora release 9 (Sulphur)')) {
+			$distname = 'Fedora';
+			$distver = '9';
+			$distid = 'fedora9';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: Fedora 9 or compatible\n");
+		} elseif(stristr($content, 'Fedora release 10 (Cambridge)')) {
+			$distname = 'Fedora';
+			$distver = '10';
+			$distid = 'fedora9';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: Fedora 10 or compatible\n");
+		} elseif(stristr($content, 'Fedora release 10')) {
+			$distname = 'Fedora';
+			$distver = '11';
+			$distid = 'fedora9';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: Fedora 11 or compatible\n");
+		} elseif(stristr($content, 'CentOS release 5.2 (Final)')) {
+			$distname = 'CentOS';
+			$distver = '5.2';
+			$distid = 'centos52';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 5.2 or compatible\n");
+		} elseif(stristr($content, 'CentOS release 5.3 (Final)')) {
+			$distname = 'CentOS';
+			$distver = '5.3';
+			$distid = 'centos53';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 5.3 or compatible\n");
+		} elseif(stristr($content, 'CentOS release 5')) {
+			$distname = 'CentOS';
+			$distver = 'Unknown';
+			$distid = 'centos53';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 5 or compatible\n");
+		} elseif(stristr($content, 'CentOS Linux release 6')) {
+			$distname = 'CentOS';
+			$distver = 'Unknown';
+			$distid = 'centos53';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 6 or compatible\n");
+		} elseif(stristr($content, 'CentOS Linux release 7.2')) {
+			$distname = 'CentOS';
+			$distver = 'Unknown';
+			$distid = 'centos70';
+			$distconfid = 'centos72';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 7.2\n");
+		} elseif(stristr($content, 'CentOS Linux release 7')) {
+			$distname = 'CentOS';
+			$distver = 'Unknown';
+			$distid = 'centos70';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: CentOS 7 or compatible\n");
+		} else {
+			$distname = 'Redhat';
+			$distver = 'Unknown';
+			$distid = 'fedora9';
+			$distbaseid = 'fedora';
+			swriteln("Operating System: Redhat or compatible, unknown version.\n");
 		}
+	}
 
-		//** Gentoo
-		elseif (file_exists('/etc/gentoo-release')) {
+	//** Gentoo
+	elseif(file_exists('/etc/gentoo-release')) {
 
-			$content = file_get_contents('/etc/gentoo-release');
+		$content = file_get_contents('/etc/gentoo-release');
 
-			preg_match_all('/([0-9]{1,2})/', $content, $version);
-			$distname = 'Gentoo';
-			$distver = $version[0][0] . $version[0][1];
-			$distid = 'gentoo';
-			$distbaseid = 'gentoo';
-		} else {
-			die('Unrecognized GNU/Linux distribution');
-		}
+		preg_match_all('/([0-9]{1,2})/', $content, $version);
+		$distname = 'Gentoo';
+		$distver = $version[0][0].$version[0][1];
+		$distid = 'gentoo';
+		$distbaseid = 'gentoo';
+		swriteln("Operating System: Gentoo $distver or compatible\n");
+
+	} else {
+		die('Unrecognized GNU/Linux distribution');
+	}
+	
+	// Set $distconfid to distid, if no different id for the config is defined
+	if(!isset($distconfid)) $distconfid = $distid;
 
-		return array('name' => $distname, 'version' => $distver, 'id' => $distid, 'baseid' => $distbaseid);
+	return array('name' => $distname, 'version' => $distver, 'id' => $distid, 'confid' => $distconfid, 'baseid' => $distbaseid);
 	}
 
 	// this function remains in the tools class, because it is used by cron AND rescue
diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index 34623c6acf8bf91b9fcbd126cce9aeb57d6bc627..8c1da7881412de7fd1c422ea37d51dc81ba75684 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -1234,8 +1234,9 @@ class apache2_plugin {
 				$app->log("Create Let's Encrypt SSL Cert for: $domain", LOGLEVEL_DEBUG);
 				
 				$success = false;
-				if(file_exists("/root/.local/share/letsencrypt/bin/letsencrypt")) {
-					$success = $this->_exec("/root/.local/share/letsencrypt/bin/letsencrypt auth --text --agree-tos --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
+				$letsencrypt = array_shift( split("\n", `which letsencrypt /root/.local/share/letsencrypt/bin/letsencrypt`) );
+				if(is_executable($letsencrypt)) {
+					$success = $this->_exec($letsencrypt . " auth --text --agree-tos --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
 				}
 				if(!$success) {
 					// error issuing cert
diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index 1c5247d65f903e88e3907e36d705726355c6d12c..9393a9b66b4b795688a605e73461ac3b5f4f58e5 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/server/plugins-available/nginx_plugin.inc.php
@@ -1312,8 +1312,9 @@ class nginx_plugin {
 				$app->log("Create Let's Encrypt SSL Cert for: $domain", LOGLEVEL_DEBUG);
 				
 				$success = false;
-				if(file_exists("/root/.local/share/letsencrypt/bin/letsencrypt")) {
-					$success = $this->_exec("/root/.local/share/letsencrypt/bin/letsencrypt auth --text --agree-tos --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
+				$letsencrypt = array_shift( split("\n", `which letsencrypt /root/.local/share/letsencrypt/bin/letsencrypt`) );
+				if(is_executable($letsencrypt)) {
+					$success = $this->_exec($letsencrypt . " auth --text --agree-tos --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
 				}
 				if(!$success) {
 					// error issuing cert