getting dkim

core/Helper/DnsHelper.php

@@ -42,7 +42,7 @@ class DnsHelper
             );
         }
         $dkimSet = $api->getDkimDnsRecord($this->params['domain']);
-        $dkimArray = explode('\n',$dkimSet['detail']);
+        $dkimArray = explode(PHP_EOL,$dkimSet['detail']);
         logModuleCall(
             'kerioEmail',
             __FUNCTION__,