try to get connectiontest running

api/class/KerioApiSocket.php

@@ -248,7 +248,7 @@ class KerioApiSocket implements KerioApiSocketInterface {
         logModuleCall(
             'kerioEmail',
             __FUNCTION__,
-            $this->hostname,
+            $this,
             'Debug Kerio Api 1',
             gethostbyname($this->hostname)
         );