diff --git a/interface/lib/classes/tform_base.inc.php b/interface/lib/classes/tform_base.inc.php
index 0c9cda5f5135eeca0300f8327b8e24a41177694f..1c5c6e08af61aa3986544c4e8c63b3f2c66ed041 100644
--- a/interface/lib/classes/tform_base.inc.php
+++ b/interface/lib/classes/tform_base.inc.php
@@ -992,6 +992,26 @@ class tform_base {
 					}
 				}
 				break;
+			case 'ISDOMAIN':
+				$error = false;
+				if($validator['allowempty'] != 'y') $validator['allowempty'] = 'n';
+				if($validator['allowempty'] == 'y' && $field_value == '') {
+					//* Do nothing
+				} else {
+					if(function_exists('filter_var')) {
+						if(filter_var('check@'.$field_value, FILTER_VALIDATE_EMAIL) === false) {
+							$errmsg = $validator['errmsg'];
+							if(isset($this->wordbook[$errmsg])) {
+								$this->errorMessage .= $this->wordbook[$errmsg]."<br />\r\n";
+							} else {
+								$this->errorMessage .= $errmsg."<br />\r\n";
+							}
+						}
+
+					} else $this->errorMessage .= "function filter_var missing <br />\r\n";
+				}
+				unset($error);
+				break;
 			case 'ISEMAIL':
 				$error = false;
 				if($validator['allowempty'] != 'y') $validator['allowempty'] = 'n';
diff --git a/interface/web/mail/form/mail_domain.tform.php b/interface/web/mail/form/mail_domain.tform.php
index 5a63d8423b0c4b6a00d30073d1f76424818fb7cc..06fb0906c34e693f994c088274c03b265b61abb7 100644
--- a/interface/web/mail/form/mail_domain.tform.php
+++ b/interface/web/mail/form/mail_domain.tform.php
@@ -88,8 +88,7 @@ $form["tabs"]['domain'] = array (
 					'errmsg'=> 'domain_error_empty'),
 				1 => array ( 'type' => 'UNIQUE',
 					'errmsg'=> 'domain_error_unique'),
-				2 => array ( 'type' => 'REGEX',
-					'regex' => '/^[\w\.\-]{2,255}\.[a-zA-Z0-9\-]{2,30}$/',
+				2 => array ( 'type' => 'ISDOMAIN',
 					'errmsg'=> 'domain_error_regex'),
 			),
 			'default' => '',
diff --git a/interface/web/mail/mail_domain_del.php b/interface/web/mail/mail_domain_del.php
index 6941cd60821cf95d0235ba2eed93d7d5d43ed348..bce89695dc53ee1e016aec966a2d5030014b2db9 100644
--- a/interface/web/mail/mail_domain_del.php
+++ b/interface/web/mail/mail_domain_del.php
@@ -78,7 +78,7 @@ class page_action extends tform_actions {
 		}
 
 		// Delete all spamfilters that belong to this domain
-		$records = $app->db->queryAllRecords("SELECT id FROM spamfilter_users WHERE email = ?", '%@' . $domain);
+		$records = $app->db->queryAllRecords("SELECT id FROM spamfilter_users WHERE email like ?", '%@' . $domain);
 		foreach($records as $rec) {
 			$app->db->datalogDelete('spamfilter_users', 'id', $rec['id']);
 		}
diff --git a/interface/web/sites/lib/lang/nl_web_domain.lng b/interface/web/sites/lib/lang/nl_web_domain.lng
index 6aaa1aae5fcac2e22a6a5deed5264aae2822836b..60a06c266a4cbbf04b98e8b54c4278ae8e5cb378 100644
--- a/interface/web/sites/lib/lang/nl_web_domain.lng
+++ b/interface/web/sites/lib/lang/nl_web_domain.lng
@@ -21,7 +21,7 @@ $wb['active_txt'] = 'Actief';
 $wb['document_root_txt'] = 'Documentroot';
 $wb['system_user_txt'] = 'Linux gebruiker';
 $wb['system_group_txt'] = 'Linux Groep';
-$wb['ip_address_txt'] = 'IP-Adres';
+$wb['ip_address_txt'] = 'IPv4 adres';
 $wb['vhost_type_txt'] = 'VHost type';
 $wb['hd_quota_txt'] = 'Harddisk quota';
 $wb['traffic_quota_txt'] = 'Traffic quota';
@@ -72,7 +72,7 @@ $wb['no_flag_txt'] = 'No flag';
 $wb['save_certificate_txt'] = 'Save certificate';
 $wb['create_certificate_txt'] = 'Create certificate';
 $wb['delete_certificate_txt'] = 'Delete certificate';
-$wb['ipv6_address_txt'] = 'IPv6-Adres';
+$wb['ipv6_address_txt'] = 'IPv6 adres';
 $wb['nginx_directives_txt'] = 'nginx Directives';
 $wb['seo_redirect_txt'] = 'SEO Redirect';
 $wb['non_www_to_www_txt'] = 'Non-www -&gt; www';
diff --git a/interface/web/sites/lib/lang/nl_web_vhost_domain.lng b/interface/web/sites/lib/lang/nl_web_vhost_domain.lng
index 23ca63306e965acd1f047aeb19bda9931e6aeb48..6940d62c9e80b57ba9a25d207464e3619a421b2c 100644
--- a/interface/web/sites/lib/lang/nl_web_vhost_domain.lng
+++ b/interface/web/sites/lib/lang/nl_web_vhost_domain.lng
@@ -21,7 +21,7 @@ $wb['active_txt'] = 'Actief';
 $wb['document_root_txt'] = 'Document Root';
 $wb['system_user_txt'] = 'Linux gebruiker';
 $wb['system_group_txt'] = 'Linux Groep';
-$wb['ip_address_txt'] = 'IP-Adres';
+$wb['ip_address_txt'] = 'IPv4 adres';
 $wb['vhost_type_txt'] = 'VHost type';
 $wb['hd_quota_txt'] = 'Harddisk quota';
 $wb['traffic_quota_txt'] = 'Traffic quota';
@@ -49,7 +49,7 @@ $wb['error_ssl_organisation_empty'] = 'SSL Organisatie is niet ingvuld.';
 $wb['error_ssl_organisation_unit_empty'] = 'SSL Organisatie afdeling is niet ingvuld.';
 $wb['error_ssl_country_empty'] = 'SSL land is niet ingvuld.';
 $wb['client_group_id_txt'] = 'Klant';
-$wb['stats_password_txt'] = 'Webstatististieken wachtwoord';
+$wb['stats_password_txt'] = 'Webstatistieken wachtwoord';
 $wb['allow_override_txt'] = 'Apache AllowOverride';
 $wb['limit_web_quota_free_txt'] = 'Max. beschikbare harddisk quota';
 $wb['ssl_state_error_regex'] = 'Ongeldige SSL Provincie/staat. Geldige karakters zijn: a-z, 0-9 and .,-_';
@@ -62,8 +62,8 @@ $wb['redirect_error_regex'] = 'Ongeldig redirect pad. Heldige redirects zijn bij
 $wb['php_open_basedir_txt'] = 'PHP open_basedir';
 $wb['traffic_quota_exceeded_txt'] = 'Traffic quota overschreden';
 $wb['ruby_txt'] = 'Ruby';
-$wb['stats_user_txt'] = 'Webstatististieken gebruikersnaam';
-$wb['stats_type_txt'] = 'Webstatististieken programma';
+$wb['stats_user_txt'] = 'Webstatistieken gebruikersnaam';
+$wb['stats_type_txt'] = 'Webstatistieken programma';
 $wb['custom_php_ini_txt'] = 'Custom php.ini instellingen';
 $wb['error_ssl_cert_empty'] = 'SSL Certificate field is empty';
 $wb['none_txt'] = 'None';
@@ -73,7 +73,7 @@ $wb['no_flag_txt'] = 'No flag';
 $wb['save_certificate_txt'] = 'Certificaat opslaan';
 $wb['create_certificate_txt'] = 'Create certificate';
 $wb['delete_certificate_txt'] = 'Certificaat verwijderen';
-$wb['ipv6_address_txt'] = 'IPv6-Adres';
+$wb['ipv6_address_txt'] = 'IPv6 adres';
 $wb['nginx_directives_txt'] = 'nginx Directives';
 $wb['seo_redirect_txt'] = 'SEO Redirect';
 $wb['non_www_to_www_txt'] = 'Non-www -&gt; www';
@@ -101,10 +101,10 @@ $wb['pm_max_requests_txt'] = 'PHP-FPM pm.max_requests';
 $wb['pm_process_idle_timeout_error_regex'] = 'PHP-FPM pm.process_idle_timeout must be a positive integer value.';
 $wb['pm_max_requests_error_regex'] = 'PHP-FPM pm.max_requests must be an integer value >= 0.';
 $wb['pm_ondemand_hint_txt'] = 'Please note that you must have PHP version >= 5.3.9 in order to use the ondemand process manager. If you select ondemand for an older PHP version, PHP will not start anymore!';
-$wb['generate_password_txt'] = 'Generate Password';
-$wb['repeat_password_txt'] = 'Repeat Password';
-$wb['password_mismatch_txt'] = 'The passwords do not match.';
-$wb['password_match_txt'] = 'The passwords do match.';
+$wb['generate_password_txt'] = 'Genereer wachtwoord';
+$wb['repeat_password_txt'] = 'Herhaal wachtwoord';
+$wb['password_mismatch_txt'] = 'De wachtwoorden zijn ongelijk.';
+$wb['password_match_txt'] = 'De wachtwoorden zijn gelijk.';
 $wb['web_folder_error_regex'] = 'Invalid folder entered. Please do not enter a slash.';
 $wb['domain_error_autosub'] = 'There is already a subdomain with these settings.';
 $wb['available_php_directive_snippets_txt'] = 'Available PHP Directive Snippets:';