diff --git a/customer_email.php b/customer_email.php
index 85e55209..43f01e92 100644
--- a/customer_email.php
+++ b/customer_email.php
@@ -138,16 +138,20 @@ if ($page == 'overview' || $page == 'emails') {
 					];
 				}
 
-				$email_add_data = include_once dirname(__FILE__) . '/lib/formfields/customer/email/formfield.emails_add.php';
+				if (count($domains) > 0) {
+					$email_add_data = include_once dirname(__FILE__) . '/lib/formfields/customer/email/formfield.emails_add.php';
 
-				if (Settings::Get('catchall.catchall_enabled') != '1') {
-					unset($email_add_data['emails_add']['sections']['section_a']['fields']['iscatchall']);
+					if (Settings::Get('catchall.catchall_enabled') != '1') {
+						unset($email_add_data['emails_add']['sections']['section_a']['fields']['iscatchall']);
+					}
+					UI::twigBuffer('user/form.html.twig', [
+						'formaction' => $linker->getLink(array('section' => 'email')),
+						'formdata' => $email_add_data['emails_add']
+					]);
+					UI::twigOutputBuffer();
+				} else {
+					\Froxlor\UI\Response::standard_error('noemaildomainaddedyet');
 				}
-				UI::twigBuffer('user/form.html.twig', [
-					'formaction' => $linker->getLink(array('section' => 'email')),
-					'formdata' => $email_add_data['emails_add']
-				]);
-				UI::twigOutputBuffer();
 			}
 		} else {
 			\Froxlor\UI\Response::standard_error('allresourcesused');
@@ -179,7 +183,7 @@ if ($page == 'overview' || $page == 'emails') {
 						'label' => $lng['panel']['delete'],
 						'classes' => 'btn btn-sm btn-danger'
 					];
-					$forwarders_count ++;
+					$forwarders_count++;
 				}
 				$result['destination'][$dest_id] = $destination;
 			}
diff --git a/lib/Froxlor/UI/HTML.php b/lib/Froxlor/UI/HTML.php
index b4bcf227..1f122f68 100644
--- a/lib/Froxlor/UI/HTML.php
+++ b/lib/Froxlor/UI/HTML.php
@@ -42,6 +42,7 @@ class HTML
 		foreach ($navigation as $box) {
 			if ((!isset($box['show_element']) || $box['show_element'] === true) && (!isset($box['required_resources']) || $box['required_resources'] == '' || (isset($userinfo[$box['required_resources']]) && ((int) $userinfo[$box['required_resources']] > 0 || $userinfo[$box['required_resources']] == '-1')))) {
 				$navigation_links = [];
+				$box_active = false;
 				foreach ($box['elements'] as $element_id => $element) {
 					if ((!isset($element['show_element']) || $element['show_element'] === true) && (!isset($element['required_resources']) || $element['required_resources'] == '' || (isset($userinfo[$element['required_resources']]) && ((int) $userinfo[$element['required_resources']] > 0 || $userinfo[$element['required_resources']] == '-1')))) {
 						$target = '';
@@ -66,8 +67,10 @@ class HTML
 
 							if (isset($_GET['page']) && substr_count($element['url'], "page=" . $_GET['page']) > 0 && substr_count($element['url'], basename($_SERVER["SCRIPT_FILENAME"])) > 0 && isset($_GET['action']) && substr_count($element['url'], "action=" . $_GET['action']) > 0) {
 								$active = true;
+								$box_active = true;
 							} elseif (isset($_GET['page']) && substr_count($element['url'], "page=" . $_GET['page']) > 0 && substr_count($element['url'], basename($_SERVER["SCRIPT_FILENAME"])) > 0 && substr_count($element['url'], "action=") == 0 && !isset($_GET['action'])) {
 								$active = true;
+								$box_active = true;
 							}
 
 							$navurl = htmlspecialchars($element['url']);
@@ -81,7 +84,7 @@ class HTML
 						$navigation_links[] = [
 							'url' => $navurl,
 							'target' => $target,
-							'is_active' => $active,
+							'active' => $active,
 							'label' => $navlabel,
 							'icon' => $icon
 						];
@@ -121,7 +124,8 @@ class HTML
 						'target' => $target,
 						'label' => $navlabel,
 						'icon' => $icon,
-						'items' => $navigation_links
+						'items' => $navigation_links,
+						'active' => $box_active
 					];
 				}
 			}
diff --git a/lng/lng_references.php b/lng/lng_references.php
index 2fdbe385..2888839f 100644
--- a/lng/lng_references.php
+++ b/lng/lng_references.php
@@ -40,3 +40,4 @@ $lng['menue']['logger']['logger'] = $lng['admin']['loggersystem'];
 
 $lng['serversettings']['default_sslvhostconf']['description'] = $lng['serversettings']['default_vhostconf']['description'];
 $lng['admin']['include_ownvhostsettings'] = $lng['serversettings']['includedefault_sslvhostconf'];
+$lng['error']['noemaildomainaddedyet'] = $lng['emails']['noemaildomainaddedyet'];