diff --git a/interface/web/mail/mail_domain_dkim_create.php b/interface/web/mail/mail_domain_dkim_create.php
index bd9ff9c98b24e9c5741faadba61e4b89c53b1ec3..4b595969c07bad23a8b7d974e750044979013f9e 100644
--- a/interface/web/mail/mail_domain_dkim_create.php
+++ b/interface/web/mail/mail_domain_dkim_create.php
@@ -163,7 +163,7 @@ echo "<selector>".$selector."</selector>\n";
 echo "<privatekey>".$private_key."</privatekey>\n";
 echo "<publickey>".$public_key."</publickey>\n";
 if ( validate_domain($_POST['domain']) ) {
-	echo '<dns_record>'.$selector.'_domainkey.'.$_POST['domain'].'. 3600	TXT	"v=DKIM1; t=s; p='.$dns_record.'"</dns_record>';
+	echo '<dns_record>'.$selector.'._domainkey.'.$_POST['domain'].'. 3600	TXT	"v=DKIM1; t=s; p='.$dns_record.'"</dns_record>';
 }
 echo "</formatname>\n";
 ?>
diff --git a/server/lib/classes/cron.d/500-backup.inc.php b/server/lib/classes/cron.d/500-backup.inc.php
index abca144f4043207bb0fde7dcff5d7188b470f267..f87e4db1c5948514a08ff7029274c57dba69257f 100644
--- a/server/lib/classes/cron.d/500-backup.inc.php
+++ b/server/lib/classes/cron.d/500-backup.inc.php
@@ -71,22 +71,13 @@ class cronjob_backup extends cronjob {
 			} else {
 				chmod(escapeshellcmd($backup_dir), $backup_dir_permissions);
 			}
-			
-			//* mount backup directory, if necessary
-			$run_backups = true;
-			$server_config['backup_dir_mount_cmd'] = trim($server_config['backup_dir_mount_cmd']);
-			if($server_config['backup_dir_is_mount'] == 'y' && $server_config['backup_dir_mount_cmd'] != ''){
-				if(!$app->system->is_mounted($backup_dir)){
-					exec(escapeshellcmd($server_config['backup_dir_mount_cmd']));
-					sleep(1);
-					if(!$app->system->is_mounted($backup_dir)) $run_backups = false;
-				}
-			}
-
+            $run_backups = true;
+            //* mount backup directory, if necessary
+            if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $run_backups = false;
 			if($run_backups){
 				//* backup only active domains
-				$sql = "SELECT * FROM web_domain WHERE server_id = '".$conf['server_id']."' AND (type = 'vhost' OR type = 'vhostsubdomain' OR type = 'vhostalias') AND active = 'y'";
-				$records = $app->db->queryAllRecords($sql);
+				$sql = "SELECT * FROM web_domain WHERE server_id = ? AND (type = 'vhost' OR type = 'vhostsubdomain' OR type = 'vhostalias') AND active = 'y'";
+				$records = $app->db->queryAllRecords($sql, $conf['server_id']);
 				if(is_array($records)) {
 					foreach($records as $rec) {
 
@@ -138,9 +129,12 @@ class cronjob_backup extends cronjob {
 									//* Insert web backup record in database
 									//$insert_data = "(server_id,parent_domain_id,backup_type,backup_mode,tstamp,filename) VALUES (".$conf['server_id'].",".$web_id.",'web','".$backup_mode."',".time().",'".$app->db->quote($web_backup_file)."')";
 									//$app->dbmaster->datalogInsert('web_backup', $insert_data, 'backup_id');
-									$sql = "INSERT INTO web_backup (server_id,parent_domain_id,backup_type,backup_mode,tstamp,filename) VALUES (".$conf['server_id'].",".$web_id.",'web','".$backup_mode."',".time().",'".$app->db->quote($web_backup_file)."')";
-									$app->db->query($sql);
-									if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+									$filesize = $app->functions->formatBytes(filesize($web_backup_dir.'/'.$web_backup_file));
+									$sql = "INSERT INTO web_backup (server_id, parent_domain_id, backup_type, backup_mode, tstamp, filename, filesize) VALUES (?, ?, ?, ?, ?, ?, ?)";
+									$app->db->query($sql, $conf['server_id'], $web_id, 'web', $backup_mode, time(), $web_backup_file, $filesize);
+									if($app->db->dbHost != $app->dbmaster->dbHost) 
+										$app->dbmaster->query($sql, $conf['server_id'], $web_id, 'web', $backup_mode, time(), $web_backup_file, $filesize);
+									unset($filesize);
 								}
 							} else {
 								if(is_file($web_backup_dir.'/'.$web_backup_file)) unlink($web_backup_dir.'/'.$web_backup_file);
@@ -167,9 +161,9 @@ class cronjob_backup extends cronjob {
 									//$tmp = $app->dbmaster->queryOneRecord($sql);
 									//$app->dbmaster->datalogDelete('web_backup', 'backup_id', $tmp['backup_id']);
 									//$sql = "DELETE FROM web_backup WHERE backup_id = ".intval($tmp['backup_id']);
-									$sql = "DELETE FROM web_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = $web_id AND filename = '".$app->db->quote($files[$n])."'";
-									$app->db->query($sql);
-									if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+									$sql = "DELETE FROM web_backup WHERE server_id = ? AND parent_domain_id = ? AND filename = ?";
+									$app->db->query($sql, $conf['server_id'], $web_id, $files[$n]);
+									if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'],  $web_id, $files[$n]);
 								}
 							}
 
@@ -199,16 +193,15 @@ class cronjob_backup extends cronjob {
 							$web_backup_dir = realpath($backup_dir.'/web'.$web_id);
 							if(is_dir($web_backup_dir)) {
 								exec('sudo -u '.escapeshellarg($web_user).' rm -f '.escapeshellarg($web_backup_dir.'/*'));
-								$sql = "DELETE FROM web_backup WHERE server_id = ".intval($conf['server_id'])." AND parent_domain_id = ".intval($web_id);
-								$app->db->query($sql);
-								if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+								$sql = "DELETE FROM web_backup WHERE server_id = ? AND parent_domain_id = ?";
+								$app->db->query($sql, $conf['server_id'], $web_id);
+								if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $web_id);
 							}
 						}
 					}
 				}
 
-				$sql = "SELECT * FROM web_database WHERE server_id = ".$conf['server_id']." AND backup_interval != 'none' AND backup_interval != ''";
-				$records = $app->db->queryAllRecords($sql);
+				$records = $app->db->queryAllRecords("SELECT * FROM web_database WHERE server_id = ? AND backup_interval != 'none' AND backup_interval != ''", $conf['server_id']);
 				if(is_array($records)) {
 
 					include 'lib/mysql_clientdb.conf';
@@ -245,9 +238,12 @@ class cronjob_backup extends cronjob {
 									//* Insert web backup record in database
 									//$insert_data = "(server_id,parent_domain_id,backup_type,backup_mode,tstamp,filename) VALUES (".$conf['server_id'].",$web_id,'mysql','sqlgz',".time().",'".$app->db->quote($db_backup_file).".gz')";
 									//$app->dbmaster->datalogInsert('web_backup', $insert_data, 'backup_id');
-									$sql = "INSERT INTO web_backup (server_id,parent_domain_id,backup_type,backup_mode,tstamp,filename) VALUES (".$conf['server_id'].",$web_id,'mysql','sqlgz',".time().",'".$app->db->quote($db_backup_file).".gz')";
-									$app->db->query($sql);
-									if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+									$filesize = $app->functions->formatBytes(filesize($db_backup_dir.'/'.$db_backup_file.'.gz'));
+									$sql = "INSERT INTO web_backup (server_id, parent_domain_id, backup_type, backup_mode, tstamp, filename, filesize) VALUES (?, ?, ?, ?, ?, ?, ?)";
+									$app->db->query($sql, $conf['server_id'], $web_id, 'mysql', 'sqlgz', time(), $db_backup_file.'.gz', $filesize);
+									if($app->db->dbHost != $app->dbmaster->dbHost) 
+										$app->dbmaster->query($sql, $conf['server_id'], $web_id, 'mysql', 'sqlgz', time(), $db_backup_file.'.gz', $filesize);
+									unset($filesize);
 								}
 							} else {
 								if(is_file($db_backup_dir.'/'.$db_backup_file.'.gz')) unlink($db_backup_dir.'/'.$db_backup_file.'.gz');
@@ -277,9 +273,9 @@ class cronjob_backup extends cronjob {
 										//$sql = "SELECT backup_id FROM web_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = $web_id AND filename = '".$app->db->quote($filelist[$n])."'";
 										//$tmp = $app->dbmaster->queryOneRecord($sql);
 										//$sql = "DELETE FROM web_backup WHERE backup_id = ".intval($tmp['backup_id']);
-										$sql = "DELETE FROM web_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = $web_id AND filename = '".$app->db->quote($filelist[$n])."'";
-										$app->db->query($sql);
-										if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+										$sql = "DELETE FROM web_backup WHERE server_id = ? AND parent_domain_id = ? AND filename = ?";
+										$app->db->query($sql, $conf['server_id'], $web_id, $filelist[$n]);
+										if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $web_id, $filelist[$n]);
 									}
 								}
 							}
@@ -296,14 +292,14 @@ class cronjob_backup extends cronjob {
 				}
 
 				// remove non-existing backups from database
-				$backups = $app->db->queryAllRecords("SELECT * FROM web_backup WHERE server_id = ".$conf['server_id']);
+				$backups = $app->db->queryAllRecords("SELECT * FROM web_backup WHERE server_id = ?", $conf['server_id']);
 				if(is_array($backups) && !empty($backups)){
 					foreach($backups as $backup){
 						$backup_file = $backup_dir.'/web'.$backup['parent_domain_id'].'/'.$backup['filename'];
 						if(!is_file($backup_file)){
-							$sql = "DELETE FROM web_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = ".$backup['parent_domain_id']." AND filename = '".$backup['filename']."'";
-							$app->db->query($sql);
-							if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+							$sql = "DELETE FROM web_backup WHERE server_id = ? AND parent_domain_id = ? AND filename = ?";
+							$app->db->query($sql, $conf['server_id'], $backup['parent_domain_id'], $backup['filename']);
+							if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $backup['parent_domain_id'], $backup['filename']);
 						}
 					}
 				}
diff --git a/server/lib/classes/cron.d/500-backup_mail.inc.php b/server/lib/classes/cron.d/500-backup_mail.inc.php
index 8740c5512f884f9dbf8dce0afe844fdc4b78606b..2473afe26fe37073893ce2b9897f34990efdfeb7 100644
--- a/server/lib/classes/cron.d/500-backup_mail.inc.php
+++ b/server/lib/classes/cron.d/500-backup_mail.inc.php
@@ -59,19 +59,11 @@ class cronjob_backup_mail extends cronjob {
 		if($backup_mode == '') $backup_mode = 'userzip';
 
 		if($backup_dir != '') {
-			//* mount backup directory, if necessary
 			$run_backups = true;
-			$server_config['backup_dir_mount_cmd'] = trim($server_config['backup_dir_mount_cmd']);
-			if($server_config['backup_dir_is_mount'] == 'y' && $server_config['backup_dir_mount_cmd'] != ''){
-				if(!$app->system->is_mounted($backup_dir)){
-					exec(escapeshellcmd($server_config['backup_dir_mount_cmd']));
-					sleep(1);
-					if(!$app->system->is_mounted($backup_dir)) $run_backups = false;
-				}
-			}
+			//* mount backup directory, if necessary
+			if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $run_backups = false;
 
-			$sql = "SELECT * FROM mail_user WHERE server_id = '".intval($conf['server_id'])."' AND maildir <> ''";
-			$records = $app->db->queryAllRecords($sql);
+			$records = $app->db->queryAllRecords("SELECT * FROM mail_user WHERE server_id = ? AND maildir <> ''", intval($conf['server_id']));
 
 			if(is_array($records) && $run_backups) {
 				if(!is_dir($backup_dir)) {
@@ -83,10 +75,10 @@ class cronjob_backup_mail extends cronjob {
 				foreach($records as $rec) {
 					//* Do the mailbox backup
 					if($rec['backup_interval'] == 'daily' or ($rec['backup_interval'] == 'weekly' && date('w') == 0) or ($rec['backup_interval'] == 'monthly' && date('d') == '01')) {
-						$email = $rec['email'][1];
-						$sql="SELECT * FROM mail_domain WHERE domain = ?" . $app->db->quote(explode("@",$email))."'";
+						$email = $rec['email'];
+						$email=explode("@",$email)[1];
+						$domain_rec=$app->db->queryOneRecord("SELECT * FROM mail_domain WHERE domain = ?", $email);
 						unset($email);
-						$domain_rec=$app->db->queryOneRecord($sql);
 
 						$mail_backup_dir = $backup_dir.'/mail'.$domain_rec['domain_id'];
 						if(!is_dir($mail_backup_dir)) mkdir($mail_backup_dir, 0750);
@@ -116,9 +108,9 @@ class cronjob_backup_mail extends cronjob {
 							chgrp($mail_backup_dir.'/'.$mail_backup_file, 'root');
 							chmod($mail_backup_dir.'/'.$mail_backup_file, 0640);
 							/* Insert mail backup record in database */
-							$sql = "INSERT INTO mail_backup (server_id,parent_domain_id,mailuser_id,backup_mode,tstamp,filename,filesize) VALUES (".$conf['server_id'].",".$domain_rec['domain_id'].",".$rec['mailuser_id'].",'".$backup_mode."',".time().",'".$app->db->quote($mail_backup_file)."','".$app->functions->formatBytes(filesize($mail_backup_dir.'/'.$mail_backup_file))."')";
-							$app->db->query($sql);	
-							if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+							$sql = "INSERT INTO mail_backup (server_id, parent_domain_id, mailuser_id, backup_mode, tstamp, filename, filesize) VALUES (?, ?, ?, ?, ?, ?, ?)";
+							$app->db->query($sql, $conf['server_id'], $domain_rec['domain_id'], $rec['mailuser_id'], $backup_mode, time(), $mail_backup_file, $app->functions->formatBytes(filesize($mail_backup_dir.'/'.$mail_backup_file)));	
+							if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $domain_rec['domain_id'], $rec['mailuser_id'], $backup_mode, time(), $mail_backup_file, $app->functions->formatBytes(filesize($mail_backup_dir.'/'.$mail_backup_file)));
 						} else {
 							/* Backup failed - remove archive */
 							if(is_file($mail_backup_dir.'/'.$mail_backup_file)) unlink($mail_backup_dir.'/'.$mail_backup_file);
@@ -138,9 +130,9 @@ class cronjob_backup_mail extends cronjob {
 						for ($n = $backup_copies; $n <= 10; $n++) {
 							if(isset($files[$n]) && is_file($mail_backup_dir.'/'.$files[$n])) {
 								unlink($mail_backup_dir.'/'.$files[$n]);
-								$sql = "DELETE FROM mail_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = ".$domain_rec['domain_id']." AND filename = '".$app->db->quote($files[$n])."'";
-								$app->db->query($sql);
-								if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+								$sql = "DELETE FROM mail_backup WHERE server_id = ? AND parent_domain_id = ? AND filename = ?";
+								$app->db->query($sql, $conf['server_id'], $domain_rec['domain_id'], $files[$n]);
+								if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $domain_rec['domain_id'], $files[$n]);
 							}
 						}
 						unset($files);
@@ -149,9 +141,9 @@ class cronjob_backup_mail extends cronjob {
 					/* Remove inactive backups */
 					if($rec['backup_interval'] == 'none') {
 						/* remove backups from db */
-						$sql = "DELETE FROM mail_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = ".$domain_rec['domain_id']." AND mailuser_id = ".$rec['mailuser_id'];
-						$app->db->query($sql);
-						if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+						$sql = "DELETE FROM mail_backup WHERE server_id = ? AND parent_domain_id = ? AND mailuser_id = ?";
+						$app->db->query($sql, $conf['server_id'], $domain_rec['domain_id'], $rec['mailuser_id']);
+						if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $domain_rec['domain_id'], $rec['mailuser_id']);
 						/* remove archives */
 						$mail_backup_dir = $backup_dir.'/mail'.$rec['domain_id'];	
 						$mail_backup_file = 'mail'.$rec['mailuser_id'].'_*';
diff --git a/server/lib/classes/system.inc.php b/server/lib/classes/system.inc.php
index 952df1a4071deac4e7b2840fc9b442db2749efdb..75dc73deb95e4ba18b60da2a771099ee5f1481eb 100644
--- a/server/lib/classes/system.inc.php
+++ b/server/lib/classes/system.inc.php
@@ -1801,6 +1801,22 @@ class system{
 		return $return_var == 0 ? true : false;
 	}
 
+	function mount_backup_dir($backup_dir, $mount_cmd = '/usr/local/ispconfig/server/scripts/backup_dir_mount.sh'){
+		$mounted = true;
+		if ( 	is_file($mount_cmd) &&
+				is_executable($mount_cmd) &&
+				fileowner($mount_cmd) === 0
+		) {
+			if (!$this->is_mounted($backup_dir)){
+				exec($backup_dir_mount_cmd);
+				sleep(1);
+				if (!$this->is_mounted($backup_dir)) $mounted = false;
+			}
+		} else $mounted = false;
+
+		return $mounted;
+	}
+				
 	function getinitcommand($servicename, $action, $init_script_directory = ''){
 		global $conf;
 		// upstart
diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index e6ca66fab88ead362850676840682a84eb221f32..2bf4dfe3a94865649e6000f1c9365d1835544360 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -2048,25 +2048,19 @@ class apache2_plugin {
 			if($data['old']['type'] == 'vhost') {
 				$server_config = $app->getconf->get_server_config($conf['server_id'], 'server');
 				$backup_dir = $server_config['backup_dir'];
-				//* mount backup directory, if necessary
 				$mount_backup = true;
-				$server_config['backup_dir_mount_cmd'] = trim($server_config['backup_dir_mount_cmd']);
 				if($server_config['backup_dir'] != '' && $server_config['backup_delete'] == 'y') {
-					if($server_config['backup_dir_is_mount'] == 'y' && $server_config['backup_dir_mount_cmd'] != ''){
-						if(!$app->system->is_mounted($backup_dir)){
-							exec(escapeshellcmd($server_config['backup_dir_mount_cmd']));
-							sleep(1);
-							if(!$app->system->is_mounted($backup_dir)) $mount_backup = false;
-						}
-					}
+					//* mount backup directory, if necessary
+					if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $mount_backup = false;
+
 					if($mount_backup){
 						$web_backup_dir = $backup_dir.'/web'.$data_old['domain_id'];
 						//** do not use rm -rf $web_backup_dir because database(s) may exits
 						exec(escapeshellcmd('rm -f '.$web_backup_dir.'/web'.$data_old['domain_id'].'_').'*');
 						//* cleanup database
-						$sql = "DELETE FROM web_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = ".$data_old['domain_id']." AND filename LIKE 'web".$data_old['domain_id']."_%'";
-						$app->db->query($sql);
-						if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+						$sql = "DELETE FROM web_backup WHERE server_id = ? AND parent_domain_id = ? AND filename LIKE ?";
+						$app->db->query($sql, $conf['server_id'], $data_old['domain_id'], "web".$data_old['domain_id']."_%");
+						if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $data_old['domain_id'], "web".$data_old['domain_id']."_%");
 
 						$app->log('Deleted the web backup files', LOGLEVEL_DEBUG);
 					}
diff --git a/server/plugins-available/backup_plugin.inc.php b/server/plugins-available/backup_plugin.inc.php
index 42c1d772a8be0a08f10e049bfad08e6c07bfa49c..6184dd53d1bbfeb32a81f451936911bc565a1af8 100644
--- a/server/plugins-available/backup_plugin.inc.php
+++ b/server/plugins-available/backup_plugin.inc.php
@@ -72,30 +72,9 @@ class backup_plugin {
 			$server_config = $app->getconf->get_server_config($conf['server_id'], 'server');
 			$backup_dir = $server_config['backup_dir'].'/web'.$web['domain_id'];
 			
-			//* mount backup directory, if necessary
-			/*
-			$backup_dir_is_ready = true;
-			$server_config['backup_dir_mount_cmd'] = trim($server_config['backup_dir_mount_cmd']);
-			if($server_config['backup_dir_is_mount'] == 'y' && $server_config['backup_dir_mount_cmd'] != ''){
-				if(!$app->system->is_mounted($server_config['backup_dir'])){
-					exec(escapeshellcmd($server_config['backup_dir_mount_cmd']));
-					sleep(1);
-					if(!$app->system->is_mounted($server_config['backup_dir'])) $backup_dir_is_ready = false;
-				}
-			}*/
 			$backup_dir_is_ready = true;
-			$backup_dir_mount_cmd = '/usr/local/ispconfig/server/scripts/backup_dir_mount.sh';
-			if(	$server_config['backup_dir_is_mount'] == 'y' && 
-				is_file($backup_dir_mount_cmd) && 
-				is_executable($backup_dir_mount_cmd) &&
-				fileowner($backup_dir_mount_cmd) === 0
-			){
-				if(!$app->system->is_mounted($backup_dir)){
-					exec($backup_dir_mount_cmd);
-					sleep(1);
-					if(!$app->system->is_mounted($server_config['backup_dir'])) $backup_dir_is_ready = false;
-				}
-			}
+            //* mount backup directory, if necessary
+            if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $backup_dir_is_ready = false;
 
 			if($backup_dir_is_ready){
 				//* Make backup available for download
@@ -186,17 +165,10 @@ class backup_plugin {
 			$server_config = $app->getconf->get_server_config($conf['server_id'], 'server');
 			$backup_dir = $server_config['backup_dir'];
 
-			//* mount backup directory, if necessary
 			$backup_dir_is_ready = true;
-			$server_config['backup_dir_mount_cmd'] = trim($server_config['backup_dir_mount_cmd']);
-			if($server_config['backup_dir_is_mount'] == 'y' && $server_config['backup_dir_mount_cmd'] != ''){
-				if(!$app->system->is_mounted($backup_dir)){
-					exec(escapeshellcmd($server_config['backup_dir_mount_cmd']));
-					sleep(1);
-					if(!$app->system->is_mounted($backup_dir)) $backup_dir_is_ready = false;
-				}
-			}
-			
+			//* mount backup directory, if necessary
+			if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $backup_dir_is_ready = false;
+
 			if($backup_dir_is_ready){
 				$mail_config = $app->getconf->get_server_config($conf['server_id'], 'mail');
 				$domain_rec = $app->db->queryOneRecord("SELECT * FROM mail_domain WHERE domain_id = ".intval($mail_backup['parent_domain_id']));
diff --git a/server/plugins-available/mail_plugin.inc.php b/server/plugins-available/mail_plugin.inc.php
index 5ac0951e5f1d849a2ba6b53442442809301ef212..06b3017d15cb95561f3ae751ca10359cb5ad3be1 100644
--- a/server/plugins-available/mail_plugin.inc.php
+++ b/server/plugins-available/mail_plugin.inc.php
@@ -398,17 +398,10 @@ class mail_plugin {
 		//* Delete the mail-backups
 		$server_config = $app->getconf->get_server_config($conf['server_id'], 'server');
 		$backup_dir = $server_config['backup_dir'];
-		//* mount backup directory, if necessary
 		$mount_backup = true;
-		$server_config['backup_dir_mount_cmd'] = trim($server_config['backup_dir_mount_cmd']);
 		if($server_config['backup_dir'] != '' && $maildir_path_deleted && $server_config['backup_delete'] == 'y') {
-			if($server_config['backup_dir_is_mount'] == 'y' && $server_config['backup_dir_mount_cmd'] != ''){
-				if(!$app->system->is_mounted($backup_dir)){
-					exec(escapeshellcmd($server_config['backup_dir_mount_cmd']));
-					sleep(1);
-					if(!$app->system->is_mounted($backup_dir)) $mount_backup = false;
-				}
-			}
+			//* mount backup directory, if necessary
+			if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $mount_backup = false;
 			if($mount_backup){
 				$sql = "SELECT * FROM mail_domain WHERE domain = '".explode("@",$data['old']['email'])[1]."'";
 				$domain_rec = $app->db->queryOneRecord($sql);
@@ -416,13 +409,11 @@ class mail_plugin {
 				$mail_backup_files = 'mail'.$data['old']['mailuser_id'];
 				exec(escapeshellcmd('rm -f '.$mail_backup_dir.'/'.$mail_backup_files).'*');
 				//* cleanup database
-				$sql = "DELETE FROM mail_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = ".$domain_rec['domain_id']." AND mailuser_id = ".$data['old']['mailuser_id'];
-				$app->db->query($sql);
-				if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+				$sql = "DELETE FROM mail_backup WHERE server_id = ? AND parent_domain_id = ? AND mailuser_id = ?";
+				$app->db->query($sql, $conf['server_id'], $domain_rec['domain_id'], $data['old']['mailuser_id']);
+				if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $domain_rec['domain_id'], $data['old']['mailuser_id']);
 
 				$app->log('Deleted the mail backups for: '.$data['old']['email'], LOGLEVEL_DEBUG);
-				
-				
 			}
 		}
 	}
@@ -457,24 +448,17 @@ class mail_plugin {
 		//* Delete the mail-backups
 		$server_config = $app->getconf->get_server_config($conf['server_id'], 'server');
 		$backup_dir = $server_config['backup_dir'];
-		//* mount backup directory, if necessary
 		$mount_backup = true;
-		$server_config['backup_dir_mount_cmd'] = trim($server_config['backup_dir_mount_cmd']);
 		if($server_config['backup_dir'] != '' && $maildomain_path_deleted && $server_config['backup_delete'] == 'y'){
-			if($server_config['backup_dir_is_mount'] == 'y' && $server_config['backup_dir_mount_cmd'] != ''){
-				if(!$app->system->is_mounted($backup_dir)){
-					exec(escapeshellcmd($server_config['backup_dir_mount_cmd']));
-					sleep(1);
-					if(!$app->system->is_mounted($backup_dir)) $mount_backup = false;
-				}
-			}
+			//* mount backup directory, if necessary
+			if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $mount_backup = false;
 			if($mount_backup){
 				$mail_backup_dir = $backup_dir.'/mail'.$data['old']['domain_id'];
 				exec(escapeshellcmd('rm -rf '.$mail_backup_dir));
 				//* cleanup database
-				$sql = "DELETE FROM mail_backup WHERE server_id = ".$conf['server_id']." AND parent_domain_id = ".$data['old']['domain_id'];
-				$app->db->query($sql);
-				if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql);
+				$sql = "DELETE FROM mail_backup WHERE server_id = ? AND parent_domain_id = ? AND mailuser_id = ?";
+				$app->db->query($sql, $conf['server_id'], $domain_rec['domain_id'], $data['old']['mailuser_id']);
+				if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $domain_rec['domain_id'], $data['old']['mailuser_id']);
 
 				$app->log('Deleted the mail backup directory: '.$mail_backup_dir, LOGLEVEL_DEBUG);
 			}
diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index 77ac10a396260721848b615d0f00490323b2e483..57044eff433bd6c596d338aea9aaa07933921cf9 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/server/plugins-available/nginx_plugin.inc.php
@@ -2046,6 +2046,28 @@ class nginx_plugin {
 				$this->awstats_delete($data, $web_config);
 			}
 
+			//* Delete the web-backups
+			if($data['old']['type'] == 'vhost') {
+				$server_config = $app->getconf->get_server_config($conf['server_id'], 'server');
+				$backup_dir = $server_config['backup_dir'];
+				$mount_backup = true;
+				if($server_config['backup_dir'] != '' && $server_config['backup_delete'] == 'y') {
+					//* mount backup directory, if necessary
+					if( $server_config['backup_dir_is_mount'] == 'y' && !$app->system->mount_backup_dir($backup_dir) ) $mount_backup = false;
+					if($mount_backup){
+						$web_backup_dir = $backup_dir.'/web'.$data_old['domain_id'];
+						//** do not use rm -rf $web_backup_dir because database(s) may exits
+						exec(escapeshellcmd('rm -f '.$web_backup_dir.'/web'.$data_old['domain_id'].'_').'*');
+						//* cleanup database
+						$sql = "DELETE FROM web_backup WHERE server_id = ? AND parent_domain_id = ? AND filename LIKE ?";
+						$app->db->query($sql, $conf['server_id'], $data_old['domain_id'], "web".$data_old['domain_id']."_%");
+						if($app->db->dbHost != $app->dbmaster->dbHost) $app->dbmaster->query($sql, $conf['server_id'], $data_old['domain_id'], "web".$data_old['domain_id']."_%");
+
+						$app->log('Deleted the web backup files', LOGLEVEL_DEBUG);
+					}
+				}
+			}
+
 			$app->services->restartServiceDelayed('httpd', 'reload');
 
 		}