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Well, I have a mail server at my office, sometimes the phone line or the server crashes and mails doesn't come...
We have 2 routers adsl with 2 phone lines. Now, we want to make (if it is posible) a secondary mail server, with gateway the second router, and pointing this address mx20. Then, when the line1 crashes or server1 crashes, the secondary server will catch mails, and when it detects the server1 is up, transfer the mails to this server.
there are something that do it? or a sendmail command...?
You can do it with postfix and DNS. It can take a long time to explain all this so you may want to pick up a good postfix book; or go through the documentation at http://www.postfix.org. The trick is in the relayhost defenition in /etc/postfix/main.cf.
Well, I have a mail server at my office, sometimes the phone line or the server crashes and mails doesn't come...
We have 2 routers adsl with 2 phone lines. Now, we want to make (if it is posible) a secondary mail server, with gateway the second router, and pointing this address mx20. Then, when the line1 crashes or server1 crashes, the secondary server will catch mails, and when it detects the server1 is up, transfer the mails to this server.
there are something that do it? or a sendmail command...?
Thanks
Just wanted to FYI that most (all?) smtp servers out there will retry sending email to your server for DAYS... so as long as you get that server reconnected, you'll get any e-mails that might have been missed the first time.
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