[afnog] Two mail servers in the same domain
Kone
enokb at yahoo.fr
Sat Dec 13 12:02:01 UTC 2008
--- En date de : Sam 13.12.08, SM <sm at resistor.net> a écrit :
De: SM <sm at resistor.net>
Objet: Re: [afnog] Two mail servers in the same domain
À: afnog at afnog.org
Date: Samedi 13 Décembre 2008, 6h37
At 10:31 12-12-2008, Kone wrote:
> I have a mail server running under postfix and dns server in my network. I
want to install an other mail server to backup mails.
> Any particular configuration to do in the second mail server or in the dns
?
You can have a mail server acting as a backup in case the first mail server is
unreachable. There should be two MX records in DNS for example.com with the
lower number giving a higher priority:
MX 5 mail1.example.com.
MX 10 mail2.example.com.This step is already done in my DNS
Use the relay_domains setting in the Postfix configuration to specific the
domain on the second mail server.
ok, is it means the relayhost in the mail2 will be like that relayhost=mail1.example.com ?There no relaydomain in postfix conf file.
> I plan to make a backup using rsync with cron.
Although you can backup the mailboxes, you won't be able to synchronize the
mail on both servers.
Regards,
-sm
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