2 Commits

Author	SHA1	Message	Date
Zhang Huangbin	8b80c765fb	Add reference of backupmx.	2017-07-31 23:22:47 +08:00
Zhang Huangbin	6f41b31401	New: backupmx.md. How to mark a mail domain as backup MX.	2017-07-31 23:19:16 +08:00