new dns helper class

core/Http/Response.php

@@ -195,7 +195,7 @@ class Response extends SymfonyRespose
         logModuleCall(
     		'kerioEmail',
 	    	__FUNCTION__,
-            $params['templatevars']->client,
+            $params['templatevars'],
     		'Debug',
 	    	$this->whmcsParams
     	);