mailinabox/conf/zpush/backend_caldav.php

<?php
/***********************************************
* File      :   config.php
* Project   :   Z-Push
* Descr     :   CalDAV backend configuration file
************************************************/

define('CALDAV_SERVER', 'https://localhost');
define('CALDAV_PORT', '443');
define('CALDAV_PATH', '/caldav/calendars/%u/');
define('CALDAV_PERSONAL', '');
define('CALDAV_SUPPORTS_SYNC', true);

?>