enable smtpd_reject_unlisted_sender and other stricter defaults

Jesse Norell

2016-02-08 474b84688e76509ee013a72f92c0b73bed27bd81

1
ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;