try new mailboxcheck

zimbraAddressCheck.php

@@ -1,15 +1,17 @@
 <?php
-define("CLIENTAREA", true);
-require_once(__DIR__ . '/../../../init.php');
-require_once(ROOTDIR . '/includes/dbfunctions.php');
-require_once dirname(__FILE__) . '/zimbraSingle.inc';
-
 $allowed_host = 'admin.seecure.ch';
 $host = parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST);
 if(substr($host, 0 - strlen($allowed_host)) != $allowed_host) {
   die("This file cannot be accessed directly");
 }
 
+define("CLIENTAREA", true);
+require_once(__DIR__ . '/../../../init.php');
+require_once(ROOTDIR . '/includes/dbfunctions.php');
+require_once dirname(__FILE__) . '/zimbraSingle.inc';
+
+$whmcs = App::self();
+$whmcs->assign('id', $_GET['pid']);
 if(zimbraSingleDoesEMailExist($_GET['name'], $_GET['domain'])) {
 	echo 'no';
 } else {