I updated my post-install.php, but it doesn't seem to work
<?php
chmod(dirname(__FILE__).'/mail-handler.sh', 0755);
chown(dirname(__FILE__).'/mail-handler.sh', 'popuser.postfix');
pm_ApiCli::callSbin('mail_handlers_control', array('--add', '--priority', '50', '--queue=before-queue', '--type'...