diff --git a/install/tpl/server.ini.master b/install/tpl/server.ini.master
index 36d48d913e420b365a021a43559d0129c1b6a8ea..8799e1f34c7efec3ec6e375659ea31b1ef31f833 100644
--- a/install/tpl/server.ini.master
+++ b/install/tpl/server.ini.master
@@ -58,6 +58,7 @@ mailbox_size_limit=0
 message_size_limit=0
 mailbox_quota_stats=y
 realtime_blackhole_list=zen.spamhaus.org
+overquota_notify_threshold=90
 overquota_notify_admin=y
 overquota_notify_client=y
 overquota_notify_freq=7
@@ -118,9 +119,11 @@ connect_userid_to_webid_start=10000
 web_folder_protection=y
 php_ini_check_minutes=1
 overtraffic_disable_web=y
+overquota_notify_threshold=90
 overquota_notify_admin=y
 overquota_notify_client=y
 overquota_notify_freq=7
+overquota_db_notify_threshold=90
 overquota_db_notify_admin=y
 overquota_db_notify_client=y
 overquota_notify_onok=n
diff --git a/interface/web/admin/form/server_config.tform.php b/interface/web/admin/form/server_config.tform.php
index 47a48a3c279e2bf438a3efeb796debed358b1293..a7947ba147c07e5ee88bb059783aa63cf27eac82 100644
--- a/interface/web/admin/form/server_config.tform.php
+++ b/interface/web/admin/form/server_config.tform.php
@@ -740,6 +740,18 @@ $form["tabs"]['mail'] = array(
 			'default' => 'y',
 			'value' => array(0 => 'n', 1 => 'y')
 		),
+		'overquota_notify_threshold' => array(
+			'datatype' => 'INTEGER',
+			'formtype' => 'TEXT',
+			'default' => '90',
+			'validators' => array(
+				0 => array('type' => 'NOTEMPTY', 'errmsg' => 'overquota_notify_threshold_error'),
+				1 => array('type' => 'RANGE',	'range' => '0:100',	'errmsg' => 'overquota_notify_threshold_error'),
+			),
+			'value' => '',
+			'width' => '20',
+			'maxlength' => '3'
+		),
 		'overquota_notify_admin' => array(
 			'datatype' => 'VARCHAR',
 			'formtype' => 'CHECKBOX',
@@ -1082,6 +1094,18 @@ $form["tabs"]['web'] = array(
 			'default' => 'y',
 			'value' => array(0 => 'n', 1 => 'y')
 		),
+		'overquota_notify_threshold' => array(
+			'datatype' => 'INTEGER',
+			'formtype' => 'TEXT',
+			'default' => '90',
+			'validators' => array(
+				0 => array('type' => 'NOTEMPTY', 'errmsg' => 'overquota_notify_threshold_error'),
+				1 => array('type' => 'RANGE',	'range' => '0:100',	'errmsg' => 'overquota_notify_threshold_error'),
+			),
+			'value' => '',
+			'width' => '20',
+			'maxlength' => '3'
+		),
 		'overquota_notify_admin' => array(
 			'datatype' => 'VARCHAR',
 			'formtype' => 'CHECKBOX',
@@ -1094,6 +1118,18 @@ $form["tabs"]['web'] = array(
 			'default' => 'y',
 			'value' => array(0 => 'n', 1 => 'y')
 		),
+		'overquota_db_notify_threshold' => array(
+			'datatype' => 'INTEGER',
+			'formtype' => 'TEXT',
+			'default' => '90',
+			'validators' => array(
+				0 => array('type' => 'NOTEMPTY', 'errmsg' => 'overquota_notify_threshold_error'),
+				1 => array('type' => 'RANGE',	'range' => '0:100',	'errmsg' => 'overquota_notify_threshold_error'),
+			),
+			'value' => '',
+			'width' => '20',
+			'maxlength' => '3'
+		),
 		'overquota_db_notify_admin' => array(
 			'datatype' => 'VARCHAR',
 			'formtype' => 'CHECKBOX',
diff --git a/interface/web/admin/lib/lang/ar_server_config.lng b/interface/web/admin/lib/lang/ar_server_config.lng
index ac03605279d769d3b8c8d2be21bcb84b43b8e687..fe494f4bd7a7405edd331a7e01b492422b48dc50 100644
--- a/interface/web/admin/lib/lang/ar_server_config.lng
+++ b/interface/web/admin/lib/lang/ar_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/bg_server_config.lng b/interface/web/admin/lib/lang/bg_server_config.lng
index b9d6e648cedeb6b0666b8112acb93b5a0b9fe838..837d254dac6ed24d0c6e51fcc510d714ebd7ac2e 100644
--- a/interface/web/admin/lib/lang/bg_server_config.lng
+++ b/interface/web/admin/lib/lang/bg_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/br_server_config.lng b/interface/web/admin/lib/lang/br_server_config.lng
index ac551c588cd5917247c1bce3b1eb3a4991d0affc..7c08431fdb01595b9a5bb65fbaf00eac00c25a40 100644
--- a/interface/web/admin/lib/lang/br_server_config.lng
+++ b/interface/web/admin/lib/lang/br_server_config.lng
@@ -200,6 +200,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Enviar notificação de tráfego excedido
 $wb['overtraffic_notify_client_txt'] = 'Enviar notificação de tráfego excedido para o cliente';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Por favor, insira nomes de host válidos para RBLs.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Enviar alerta da cota para o administrador';
 $wb['overquota_notify_client_txt'] = 'Enviar alerta da cota para o cliente';
 $wb['overquota_notify_onok_txt'] = 'Enviar mensagem da cota para o cliente';
@@ -223,6 +225,7 @@ $wb['v6_prefix_length'] = 'O prefixo é muito longo de acordo com as definiçõe
 $wb['backup_dir_is_mount_txt'] = 'O diretório de backup está montando?';
 $wb['backup_dir_mount_cmd_txt'] = 'Comando mount, se o diretório não está montado';
 $wb['backup_delete_txt'] = 'Remover backups de domínios/site';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Enviar alerta da cota do Banco de Dados para o administrador';
 $wb['overquota_db_notify_client_txt'] = 'Enviar alerta da cota do Banco de Dados para o cliente';
 $wb['monitor_system_updates_txt'] = 'Verificar por atualizações do sistema';
diff --git a/interface/web/admin/lib/lang/ca_server_config.lng b/interface/web/admin/lib/lang/ca_server_config.lng
index 25ed761836cafb2f1216212c3582bfe3c6abcd29..2ced57478adecf979ddbda18878f8b81d51df338 100644
--- a/interface/web/admin/lib/lang/ca_server_config.lng
+++ b/interface/web/admin/lib/lang/ca_server_config.lng
@@ -196,6 +196,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -219,6 +221,7 @@ $wb['v6_prefix_length'] = 'Prefix too long according to defined IPv6 ';
 $wb['backup_dir_is_mount_txt'] = 'Backup directory is a mount?';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
 $wb['backup_delete_txt'] = 'Delete backups on domain/website delete';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['monitor_system_updates_txt'] = 'Check for Linux updates';
diff --git a/interface/web/admin/lib/lang/cz_server_config.lng b/interface/web/admin/lib/lang/cz_server_config.lng
index 6da8dfc0bb4989c6a7e179417fdc1afe7693f1f7..590a8d9796ecf1e651bc541df9b4f26f434ee022 100644
--- a/interface/web/admin/lib/lang/cz_server_config.lng
+++ b/interface/web/admin/lib/lang/cz_server_config.lng
@@ -179,6 +179,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Při překročení limitu přenesených d
 $wb['overtraffic_notify_client_txt'] = 'Při překročení limitu přenesených dat, poslat oznámení klientovi';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Poslat varování o překročení nebo vyčerpání kvót adminovi';
 $wb['overquota_notify_client_txt'] = 'Poslat varování o překročení nebo vyčerpání kvót klientovi';
 $wb['overquota_notify_onok_txt'] = 'Poslat zprávu klientovi, že kvóta je již v pořádku';
@@ -269,6 +271,7 @@ $wb['vhost_rewrite_v6_txt'] = 'Rewrite IPv6 on Mirror';
 $wb['v6_prefix_length'] = 'Prefix too long according to defined IPv6 ';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
 $wb['backup_delete_txt'] = 'Odstranit zálohy pokud byla smazána doména/webové stránky';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Poslat varování o překročení nebo vyčerpání DB kvót adminovi';
 $wb['overquota_db_notify_client_txt'] = 'Poslat varování o překročení nebo vyčerpání DB kvót klientovi';
 $wb['php_handler_txt'] = 'Výchozí PHP obslužná rutina';
diff --git a/interface/web/admin/lib/lang/de_server_config.lng b/interface/web/admin/lib/lang/de_server_config.lng
index d0b43059c47cf52c0dea5cc5f5363007d7c5edb2..557d313704a558575ff125d1274cec0cd8438aa1 100644
--- a/interface/web/admin/lib/lang/de_server_config.lng
+++ b/interface/web/admin/lib/lang/de_server_config.lng
@@ -199,6 +199,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Ãœberschreiten des Datentransfer Limits a
 $wb['overtraffic_notify_client_txt'] = 'Ãœberschreiten des Datentransfer Limits an den Kunden senden';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Bitte geben Sie gültige RBL-Hostnamen an.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Quota-Warnungen an den Administrator senden';
 $wb['overquota_notify_client_txt'] = 'Quota-Warnungen an den Kunden senden';
 $wb['overquota_notify_onok_txt'] = 'Meldung an den Kunden senden, wenn Belegung wieder ok';
@@ -276,6 +278,7 @@ $wb['cron_init_script_error_regex'] = 'Invalid cron init script.';
 $wb['crontab_dir_error_regex'] = 'Invalid crontab directory.';
 $wb['cron_wget_error_regex'] = 'Invalid cron wget path.';
 $wb['network_filesystem_txt'] = 'Netzwerk-Dateisystem';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Datenbank-Quota-Warnungen an den Administrator senden';
 $wb['overquota_db_notify_client_txt'] = 'Datenbank-Quota-Warnungen an den Kunden senden';
 $wb['php_ini_check_minutes_txt'] = 'Prüfe php.ini alle X Minuten auf Änderungen';
diff --git a/interface/web/admin/lib/lang/dk_server_config.lng b/interface/web/admin/lib/lang/dk_server_config.lng
index b1ebcec391b4c26a45b1ee7edc204c1b85242560..ccf12bc3e2e0bd75d6aabd9452c8bec10cf240b3 100644
--- a/interface/web/admin/lib/lang/dk_server_config.lng
+++ b/interface/web/admin/lib/lang/dk_server_config.lng
@@ -182,6 +182,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send over-trafik meddelelse til admin';
 $wb['overtraffic_notify_client_txt'] = 'Send over-trafik meddelelse til kunde';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Angiv gyldige RBL værtsnavne.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send kvote advarsler til admin';
 $wb['overquota_notify_client_txt'] = 'Send kvote advarsler til kunde';
 $wb['overquota_notify_onok_txt'] = 'Send kvote ok meddelelse til kunde';
@@ -272,6 +274,7 @@ $wb['vhost_rewrite_v6_txt'] = 'Rewrite IPv6 on Mirror';
 $wb['v6_prefix_length'] = 'Prefix too long according to defined IPv6 ';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
 $wb['backup_delete_txt'] = 'Delete backups on domain/website delete';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/el_server_config.lng b/interface/web/admin/lib/lang/el_server_config.lng
index b147f15e5c98954b23c73b43148a5a74362f366a..468560c7513e1aa4d72c735d40076caa3d619f81 100644
--- a/interface/web/admin/lib/lang/el_server_config.lng
+++ b/interface/web/admin/lib/lang/el_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['vhost_rewrite_v6_txt'] = 'Rewrite IPv6 on Mirror';
 $wb['v6_prefix_length'] = 'Prefix too long according to defined IPv6 ';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
 $wb['backup_delete_txt'] = 'Delete backups on domain/website delete';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/en_server_config.lng b/interface/web/admin/lib/lang/en_server_config.lng
index 4125b2648ea4f13786b613c2ab55ac5fd11d1db1..0d09d4222a320288ed9a31fc2fd4d65eff564de5 100644
--- a/interface/web/admin/lib/lang/en_server_config.lng
+++ b/interface/web/admin/lib/lang/en_server_config.lng
@@ -206,6 +206,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -229,6 +231,7 @@ $wb['v6_prefix_length'] = 'Prefix too long according to defined IPv6 ';
 $wb['backup_dir_is_mount_txt'] = 'Backup directory is a mount?';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
 $wb['backup_delete_txt'] = 'Delete backups on domain/website delete';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['monitor_system_updates_txt'] = 'Check for Linux updates';
diff --git a/interface/web/admin/lib/lang/es_server_config.lng b/interface/web/admin/lib/lang/es_server_config.lng
index 67e77efac87b1dd937896a43e163e5e790bd3232..7b1364b2ac2de60810da8b6b62baef1892d567bd 100644
--- a/interface/web/admin/lib/lang/es_server_config.lng
+++ b/interface/web/admin/lib/lang/es_server_config.lng
@@ -187,8 +187,11 @@ $wb['nginx_vhost_conf_enabled_dir_error_empty'] = 'El directorio de configuraci
 $wb['nginx_vhost_conf_enabled_dir_error_regex'] = 'El directorio de configuración para Vhost habilitados de Nginx es inválido.';
 $wb['nginx_vhost_conf_enabled_dir_txt'] = 'Directorio de configuración de host virtual de Nginx habilitado';
 $wb['no_notifications_txt'] = 'Sin notificaciones';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Enviar advertencias de cuota de base de datos al administrador';
 $wb['overquota_db_notify_client_txt'] = 'Enviar advertencias de cuota de base de datos a los clientes';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Enviar advertencias de cuota excedida al administrador';
 $wb['overquota_notify_client_txt'] = 'Enviar advertencias de cuota excedida al cliente';
 $wb['overquota_notify_freq_note_txt'] = '0 = enviar mensaje solo una vez, sin volver a notificar';
diff --git a/interface/web/admin/lib/lang/fi_server_config.lng b/interface/web/admin/lib/lang/fi_server_config.lng
index dac02a14b7ee502d9c91a121d7a238ffc96c6c66..8dc41ff17dc16bc1a16b0dc32746d7ca5ce24e7c 100644
--- a/interface/web/admin/lib/lang/fi_server_config.lng
+++ b/interface/web/admin/lib/lang/fi_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/fr_server_config.lng b/interface/web/admin/lib/lang/fr_server_config.lng
index 0599b8bbed10b9bd886338f09bb65205f2b4887d..9aecf3ba2158b9d575631dcf4b85d6f2d8456e90 100644
--- a/interface/web/admin/lib/lang/fr_server_config.lng
+++ b/interface/web/admin/lib/lang/fr_server_config.lng
@@ -181,6 +181,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -271,6 +273,7 @@ $wb['vhost_rewrite_v6_txt'] = 'Rewrite IPv6 on Mirror';
 $wb['v6_prefix_length'] = 'Prefix too long according to defined IPv6 ';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
 $wb['backup_delete_txt'] = 'Delete backups on domain/website delete';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/hr_server_config.lng b/interface/web/admin/lib/lang/hr_server_config.lng
index e0894ceb82916b2a2b95c0889bfca6baaed23ade..5d81f21d24f6c403b16733734af956092eca80d4 100644
--- a/interface/web/admin/lib/lang/hr_server_config.lng
+++ b/interface/web/admin/lib/lang/hr_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['network_filesystem_txt'] = 'Network Filesystem';
 $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/hu_server_config.lng b/interface/web/admin/lib/lang/hu_server_config.lng
index 97774f9ecd77c17812d7c3e4612a935b967ca053..e1c69b610c8b4065a9b7c48810f0ce9d8391150b 100644
--- a/interface/web/admin/lib/lang/hu_server_config.lng
+++ b/interface/web/admin/lib/lang/hu_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/id_server_config.lng b/interface/web/admin/lib/lang/id_server_config.lng
index 814e963f649938d4cf6a88cb871844a7d0186b98..e871616ffefbfa59bbe5c22b45f871122b889c42 100644
--- a/interface/web/admin/lib/lang/id_server_config.lng
+++ b/interface/web/admin/lib/lang/id_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/it_server_config.lng b/interface/web/admin/lib/lang/it_server_config.lng
index f9e30f39374728b73ef67c587d8c84c625117e68..c485bd00a1505d1becba183cfa0ca8a8f47071d7 100644
--- a/interface/web/admin/lib/lang/it_server_config.lng
+++ b/interface/web/admin/lib/lang/it_server_config.lng
@@ -181,6 +181,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Trasmetti notifiche superamento traffico
 $wb['overtraffic_notify_client_txt'] = 'Trasmetti notifiche superamento traffico al cliente';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Per cortesia specificare nomi host RBL validi.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Trasmetti allarmi quota ad admin';
 $wb['overquota_notify_client_txt'] = 'Trasmetti allarmi quota al cliente';
 $wb['overquota_notify_onok_txt'] = 'Trasmetti messaggio quota ok al cliente';
@@ -271,6 +273,7 @@ $wb['vhost_rewrite_v6_txt'] = 'Rewrite IPv6 on Mirror';
 $wb['v6_prefix_length'] = 'Prefix too long according to defined IPv6 ';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
 $wb['backup_delete_txt'] = 'Delete backups on domain/website delete';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/ja_server_config.lng b/interface/web/admin/lib/lang/ja_server_config.lng
index 52ac44a351d9a35a9d25376c288d5225892ae266..2547989627517075656227a02e3fd031ec7beb1a 100644
--- a/interface/web/admin/lib/lang/ja_server_config.lng
+++ b/interface/web/admin/lib/lang/ja_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/nl_server_config.lng b/interface/web/admin/lib/lang/nl_server_config.lng
index e9e412b609e1fd6acb6c4374268a3346e1898cd4..ac24a8b5f945033b2f27a436277d652541a032be 100644
--- a/interface/web/admin/lib/lang/nl_server_config.lng
+++ b/interface/web/admin/lib/lang/nl_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/pl_server_config.lng b/interface/web/admin/lib/lang/pl_server_config.lng
index f9d43d3bfd8e09a3f0e86c1dda8d219f6bbceb51..d5e0dbe0f6a24689ac27b0e750aa6d6d94703e59 100644
--- a/interface/web/admin/lib/lang/pl_server_config.lng
+++ b/interface/web/admin/lib/lang/pl_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Prześlij informacje o przekroczeniu tran
 $wb['overtraffic_notify_client_txt'] = 'Prześlij informacje o przekroczeniu transferu do klienta';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/pt_server_config.lng b/interface/web/admin/lib/lang/pt_server_config.lng
index 468413a1deab53236c67c84e6e51018e5709fd03..85011d112f19bbca663b77c89dabdb1d6b6e93fd 100644
--- a/interface/web/admin/lib/lang/pt_server_config.lng
+++ b/interface/web/admin/lib/lang/pt_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/ro_server_config.lng b/interface/web/admin/lib/lang/ro_server_config.lng
index e20fb9ee9f5ecc75ea9ad8da2a475878bc0c9f1d..95bf27a4f19551432d873bd201828b38cbfc7d60 100644
--- a/interface/web/admin/lib/lang/ro_server_config.lng
+++ b/interface/web/admin/lib/lang/ro_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/ru_server_config.lng b/interface/web/admin/lib/lang/ru_server_config.lng
index 1799b075f49fd9155b07b7cc667f8fd9cc161f9e..6ebd4ebe0ea06e68ba45a9c9dd83d1bdca776711 100644
--- a/interface/web/admin/lib/lang/ru_server_config.lng
+++ b/interface/web/admin/lib/lang/ru_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Присылать уведомление
 $wb['overtraffic_notify_client_txt'] = 'Присылать уведомление трафика клиенту';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Пожалуйста, укажите действительные имена хостов RBL.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Присылать предупреждения квоты администратору';
 $wb['overquota_notify_client_txt'] = 'Присылать предупреждения квоты клиенту';
 $wb['overquota_notify_onok_txt'] = 'Присылать сообщение квоты ОК клиенту';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Отключить сообщения bind9 дл
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost включен';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Отключить мониторинг MongoDB';
 $wb['backup_dir_mount_cmd_txt'] = 'Выполните команду монтирования, если каталог резервного копирования не установлен';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Присылать предупреждения квоты DB администратору';
 $wb['overquota_db_notify_client_txt'] = 'Присылать предупреждения квоты DB клиенту';
 $wb['php_handler_txt'] = 'Обработчик PHP по умолчанию';
diff --git a/interface/web/admin/lib/lang/se_server_config.lng b/interface/web/admin/lib/lang/se_server_config.lng
index fe3c2e923401b8d1a9ce1e76ef870513e5c3f30d..99b1f714fa83743933d183b0f6cc1fc074b1c97c 100644
--- a/interface/web/admin/lib/lang/se_server_config.lng
+++ b/interface/web/admin/lib/lang/se_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/sk_server_config.lng b/interface/web/admin/lib/lang/sk_server_config.lng
index bc7f9f514bdb25db6f112c4bef47c44a7817530d..7fa947a4b01aac5f1c5c69a008ddf39048f6a223 100644
--- a/interface/web/admin/lib/lang/sk_server_config.lng
+++ b/interface/web/admin/lib/lang/sk_server_config.lng
@@ -193,6 +193,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Send overtraffic notification to admin';
 $wb['overtraffic_notify_client_txt'] = 'Send overtraffic notification to client';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Please specify valid RBL hostnames.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Send quota warnings to admin';
 $wb['overquota_notify_client_txt'] = 'Send quota warnings to client';
 $wb['overquota_notify_onok_txt'] = 'Send quota ok message to client';
@@ -273,6 +275,7 @@ $wb['disable_bind_log_txt'] = 'Disable bind9 messages for Loglevel WARN';
 $wb['apps_vhost_enabled_txt'] = 'Apps-vhost enabled';
 $wb['do_not_try_rescue_mongodb_txt'] = 'Disable MongoDB monitoring';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount command, if backup directory not mounted';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Send DB quota warnings to admin';
 $wb['overquota_db_notify_client_txt'] = 'Send DB quota warnings to client';
 $wb['php_handler_txt'] = 'Default PHP Handler';
diff --git a/interface/web/admin/lib/lang/tr_server_config.lng b/interface/web/admin/lib/lang/tr_server_config.lng
index 0d0c84f2c73f873cb7dffb245c8deeb9e1ce2b22..565b7b1f48ef480f562ea612362243bec3aaf64f 100644
--- a/interface/web/admin/lib/lang/tr_server_config.lng
+++ b/interface/web/admin/lib/lang/tr_server_config.lng
@@ -200,6 +200,8 @@ $wb['overtraffic_notify_admin_txt'] = 'Trafik Aşımı Bildirimi Yöneticiye Gö
 $wb['overtraffic_notify_client_txt'] = 'Trafik Aşımı Bildirimi Müşteriye Gönderilsin';
 $wb['overtraffic_disable_web_txt'] = 'Disable websites that exceed traffic limit';
 $wb['rbl_error_regex'] = 'Lütfen geçerli RBL sunucu adları yazın.';
+$wb['overquota_notify_threshold_txt'] = 'Quota warning usage level';
+$wb['overquota_notify_threshold_error'] = 'Quota warning usage level must be between 0-100%';
 $wb['overquota_notify_admin_txt'] = 'Kota Uyarıları Yöneticiye Gönderilsin';
 $wb['overquota_notify_client_txt'] = 'Kota Uyarıları Müşteriye Gönderilsin';
 $wb['overquota_notify_onok_txt'] = 'Kota Tamam İletisi Müşteriye Gönderilsin';
@@ -223,6 +225,7 @@ $wb['v6_prefix_length'] = 'Ön ek tanımlanmış IPv6 adresine göre çok uzun '
 $wb['backup_dir_is_mount_txt'] = 'Yedek Klasörü Takılı mı?';
 $wb['backup_dir_mount_cmd_txt'] = 'Mount komutu, yedek klasörü takılı değil ise';
 $wb['backup_delete_txt'] = 'Etki alanı ya da web sitesi silindiğinde yedekler de silinsin';
+$wb['overquota_db_notify_threshold_txt'] = 'DB quota warning usage level';
 $wb['overquota_db_notify_admin_txt'] = 'Veritabanı Kotası Bildirimleri Yöneticiye Gönderilsin';
 $wb['overquota_db_notify_client_txt'] = 'Veritabanı Kotası Bildirimleri Müşteriye Gönderilsin';
 $wb['monitor_system_updates_txt'] = 'Linux Güncellemeleri Denetlensin';
diff --git a/interface/web/admin/templates/server_config_mail_edit.htm b/interface/web/admin/templates/server_config_mail_edit.htm
index 0eac9889610954e97e4a5575eb7dc4a543e5e0f6..d23a23a59cd998984660055106df4d92327bdb56 100644
--- a/interface/web/admin/templates/server_config_mail_edit.htm
+++ b/interface/web/admin/templates/server_config_mail_edit.htm
@@ -146,6 +146,11 @@
                     {tmpl_var name='mailbox_quota_stats'}
                 </div>
             </div>
+            <div class="form-group">
+                <label for="overquota_notify_threshold" class="col-sm-3 control-label">{tmpl_var name='overquota_notify_threshold_txt'}</label>
+                <div class="col-sm-6"><input type="text" name="overquota_notify_threshold" id="overquota_notify_threshold" value="{tmpl_var name='overquota_notify_threshold'}" class="form-control" /></div>
+                <div class="col-sm-3 input-sm">%</div>
+            </div>
             <div class="form-group">
                 <label class="col-sm-3 control-label">{tmpl_var name='overquota_notify_admin_txt'}</label>
                 <div class="col-sm-9">
diff --git a/interface/web/admin/templates/server_config_web_edit.htm b/interface/web/admin/templates/server_config_web_edit.htm
index ca1d54344cbf9e50baaf6dd21c37afbbcd69928f..5cf5c43a75826bce63f1c089366bf87bb3383fec 100644
--- a/interface/web/admin/templates/server_config_web_edit.htm
+++ b/interface/web/admin/templates/server_config_web_edit.htm
@@ -144,6 +144,11 @@
                 <div class="col-sm-9">
                     {tmpl_var name='overtraffic_disable_web'}
                 </div>
+            </div>
+            <div class="form-group">
+                <label for="overquota_notify_threshold" class="col-sm-3 control-label">{tmpl_var name='overquota_notify_threshold_txt'}</label>
+                <div class="col-sm-6"><input type="text" name="overquota_notify_threshold" id="overquota_notify_threshold" value="{tmpl_var name='overquota_notify_threshold'}" class="form-control" /></div>
+                <div class="col-sm-3 input-sm">%</div>
             </div>
 			<div class="form-group">
                 <label class="col-sm-3 control-label">{tmpl_var name='overquota_notify_admin_txt'}</label>
@@ -156,6 +161,11 @@
                 <div class="col-sm-9">
                     {tmpl_var name='overquota_notify_client'}
                 </div>
+            </div>
+            <div class="form-group">
+                <label for="overquota_db_notify_threshold" class="col-sm-3 control-label">{tmpl_var name='overquota_db_notify_threshold_txt'}</label>
+                <div class="col-sm-6"><input type="text" name="overquota_db_notify_threshold" id="overquota_db_notify_threshold" value="{tmpl_var name='overquota_db_notify_threshold'}" class="form-control" /></div>
+                <div class="col-sm-3 input-sm">%</div>
             </div>
 			<div class="form-group">
 				<label class="col-sm-3 control-label">{tmpl_var name='overquota_db_notify_admin_txt'}</label>
diff --git a/server/lib/classes/cron.d/300-quota_notify.inc.php b/server/lib/classes/cron.d/300-quota_notify.inc.php
index 5e1bb922767e395569a045e394c3b65b555c1445..ac7ae0aa5c70fab9c8e539145f558c950d174563 100644
--- a/server/lib/classes/cron.d/300-quota_notify.inc.php
+++ b/server/lib/classes/cron.d/300-quota_notify.inc.php
@@ -210,8 +210,8 @@ class cronjob_quota_notify extends cronjob {
 						$rec['hard'] .= ' KB';
 					}
 
-					// send notifications only if 90% or more of the quota are used
-					if($used_ratio < 0.9) {
+					// send notifications only if the website is over the quota threshold
+					if($used_ratio <= $web_config['overquota_notify_threshold'] / 100) {
 						// reset notification date
 						if($rec['last_quota_notification']) $app->dbmaster->datalogUpdate('web_domain', array("last_quota_notification" => null), 'domain_id', $rec['domain_id']);
 
@@ -339,8 +339,8 @@ class cronjob_quota_notify extends cronjob {
 						$rec['used'] = round($rec['used'] / 1048576, 4).' MB';
 					}
 
-					// send notifications only if 90% or more of the quota are used
-					if($used_ratio < 0.9) {
+					// send notifications only if the mail account is over the quota threshold
+					if($used_ratio <= $mail_config['overquota_notify_threshold'] / 100) {
 						// reset notification date
 						if($rec['last_quota_notification']) $app->dbmaster->datalogUpdate('mail_user', array("last_quota_notification" => null), 'mailuser_id', $rec['mailuser_id']);
 
@@ -455,8 +455,8 @@ class cronjob_quota_notify extends cronjob {
 								if ($quota > 0) $used_ratio = $monitor['size'] / $quota;
 								else $used_ratio = 0;
 
-								//* send notifications only if 90% or more of the quota are used
-								if($used_ratio > 0.9 && $used_ratio != 0) {
+								//* send notifications only if the database is over the quota threshold
+								if($used_ratio >= $web_config['overquota_db_notify_threshold'] / 100 && $used_ratio != 0) {
 
 									//* could a notification be sent?
 									$send_notification = false;