CRM_Utils_Hook::pre($op, 'MailingJob', CRM_Utils_Array::value('id', $params), $params);
$jobDAO = new CRM_Mailing_BAO_MailingJob();
CRM_Utils_Hook::pre($op, 'MailingJob', CRM_Utils_Array::value('id', $params), $params);
$jobDAO = new CRM_Mailing_BAO_MailingJob();