bugfix dns settings

kerioEmail_mx.php

@@ -95,7 +95,7 @@ function KerioEmailCheckDNS($params)
         }
     }
     if(empty($domainMX)){
-        $vars['mx'] = 'notSet';
+        $vars['mx'] = 'unset';
     } else {
         $vars['domainMX'] = $domainMX;
         $domainMXrecord = array_shift($domainMX);