Dont set myhostname, mydomain and mynetworks on update in main.cf

install/dist/lib/fedora.lib.php

@@ -83,10 +83,8 @@ class installer_dist extends installer_base {
 		$command = 'useradd -g '.$cf['vmail_groupname'].' -u '.$cf['vmail_userid'].' '.$cf['vmail_username'].' -d '.$cf['vmail_mailbox_base'].' -m';
 		if(!is_user($cf['vmail_username'])) caselog("$command &> /dev/null", __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");		
 
+		//* These postconf commands will be executed on installation and update
 		$postconf_commands = array (
-			'myhostname = '.$conf['hostname'],
-			'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
-			'mynetworks = 127.0.0.0/8 [::1]/128',
 			'virtual_alias_domains =',
 			'virtual_alias_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_forwardings.cf, mysql:'.$config_dir.'/mysql-virtual_email2email.cf',
 			'virtual_mailbox_domains = proxy:mysql:'.$config_dir.'/mysql-virtual_domains.cf',
@@ -118,6 +116,15 @@ class installer_dist extends installer_base {
 			'inet_interfaces = all'
 		);
 		
+		//* These postconf commands will be executed on installation only
+		if($this->is_update == false) {
+			$postconf_commands = array_merge($postconf_commands,array(
+				'myhostname = '.$conf['hostname'],
+				'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
+				'mynetworks = 127.0.0.0/8 [::1]/128'
+			));
+		}
+		
 		//* Create the header and body check files
 		touch($config_dir.'/header_checks');
 		touch($config_dir.'/mime_header_checks');

install/dist/lib/gentoo.lib.php

@@ -80,10 +80,8 @@ class installer extends installer_base
 			caselog("$command &> /dev/null", __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");		
 		}
 
+		//* These postconf commands will be executed on installation and update
 		$postconf_commands = array (
-			'myhostname = '.$conf['hostname'],
-			'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
-			'mynetworks = 127.0.0.0/8 [::1]/128',
 			'virtual_alias_domains =',
 			'virtual_alias_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_forwardings.cf, mysql:'.$config_dir.'/mysql-virtual_email2email.cf',
 			'virtual_mailbox_domains = proxy:mysql:'.$config_dir.'/mysql-virtual_domains.cf',
@@ -113,6 +111,15 @@ class installer extends installer_base
 			'body_checks = regexp:'.$config_dir.'/body_checks'
 		);
 		
+		//* These postconf commands will be executed on installation only
+		if($this->is_update == false) {
+			$postconf_commands = array_merge($postconf_commands,array(
+				'myhostname = '.$conf['hostname'],
+				'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
+				'mynetworks = 127.0.0.0/8 [::1]/128'
+			));
+		}
+		
 		//* Create the header and body check files
 		touch($config_dir.'/header_checks');
 		touch($config_dir.'/mime_header_checks');

install/dist/lib/opensuse.lib.php

@@ -96,11 +96,9 @@ class installer_dist extends installer_base {
 		}
 		
 		if($cf['vmail_mailbox_base'] != '' && strlen($cf['vmail_mailbox_base']) >= 10 && $this->is_update === false) exec('chown -R '.$cf['vmail_username'].':'.$cf['vmail_groupname'].' '.$cf['vmail_mailbox_base']);
-
+		
+		//* These postconf commands will be executed on installation and update
 		$postconf_commands = array (
-			'myhostname = '.$conf['hostname'],
-			'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
-			'mynetworks = 127.0.0.0/8 [::1]/128',
 			'virtual_alias_domains =',
 			'virtual_alias_maps = proxy:mysql:'.$config_dir.'/mysql-virtual_forwardings.cf, mysql:'.$config_dir.'/mysql-virtual_email2email.cf',
 			'virtual_mailbox_domains = proxy:mysql:'.$config_dir.'/mysql-virtual_domains.cf',
@@ -132,6 +130,15 @@ class installer_dist extends installer_base {
 			'inet_interfaces = all'
 		);
 		
+		//* These postconf commands will be executed on installation only
+		if($this->is_update == false) {
+			$postconf_commands = array_merge($postconf_commands,array(
+				'myhostname = '.$conf['hostname'],
+				'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
+				'mynetworks = 127.0.0.0/8 [::1]/128'
+			));
+		}
+		
 		//* Create the header and body check files
 		touch($config_dir.'/header_checks');
 		touch($config_dir.'/mime_header_checks');

install/lib/installer_base.lib.php

@@ -628,11 +628,9 @@ class installer_base {
 
 		$command = 'useradd -g '.$cf['vmail_groupname'].' -u '.$cf['vmail_userid'].' '.$cf['vmail_username'].' -d '.$cf['vmail_mailbox_base'].' -m';
 		if(!is_user($cf['vmail_username'])) caselog("$command &> /dev/null", __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");
-
+		
+		//* These postconf commands will be executed on installation and update
 		$postconf_commands = array (
-				'myhostname = '.$conf['hostname'],
-				'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
-				'mynetworks = 127.0.0.0/8 [::1]/128',
 				'alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases',
 				'alias_database = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases',
 				'virtual_alias_domains =',
@@ -666,6 +664,15 @@ class installer_base {
 				'body_checks = regexp:'.$config_dir.'/body_checks',
 				'owner_request_special = no'
 		);
+		
+		//* These postconf commands will be executed on installation only
+		if($this->is_update == false) {
+			$postconf_commands = array_merge($postconf_commands,array(
+				'myhostname = '.$conf['hostname'],
+				'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
+				'mynetworks = 127.0.0.0/8 [::1]/128'
+			));
+		}
 
 		//* Create the header and body check files
 		touch($config_dir.'/header_checks');