edit mailinglists

app/UI/Client/DistributionList/Providers/EditListDataProvider.php

@@ -131,8 +131,7 @@ class EditListDataProvider extends AddListDataProvider
             $users[] = $account['loginName'] . '@' . $this->getWhmcsParamByKey('domain');
         }
 
-        $availableMembers = array_diff($users, $intMembers);
-        array_push($availableMembers, $this->data['moderator']);
+        $availableMembers = array_values(array_diff($users, $intMembers));
 
         logModuleCall(
             'kerioEmail',