Backup Mail Server
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Mon Sep 9 21:40:20 UTC 2002
> Hi all,
>
> I was wondering of anyone has the time to explain (maybe in point form) how
> to set up a backup mail host?
>
> example: yourdomain.com is the primary NS, mail and web server for a domain.
> We have another box that we would like to use for mail in the event
> yourdomain.com box dies (short term)
>
> I know this all has to do with MX records and relay setting, I just can't
> seem to find a complete resource on it. Here is what I suspect:
>
> On the main box - yourdomain.com
> ns.yourdomain.com contains the zone records and have setting like
> MX 10 yourdomain.com.
> MX 20 mail2.yourdomain.com.
> mail IN A 0.0.0.0
>
> and in the /etc/mail/local-host-names
> yourdomain.com
> and of course, all the actual users for this domain have accounts on this
> server.
>
> And on the second box,
> /etc/mail/local-host-names
> mail2.yourdomain.com
>
>
> Again, what I want to happen is, the main box goes down, the secondary box
> gets the main in its queue until until the main box comes back up again.
>
> Is the above right?
This really is not the correct list for discussing how to configure
MTAs. For sendmail see www.sendmail.org.
You want enable relay support for the domains in question on the
second box. Test it *before* adding the second MX record.
Mark
> --
>
> -Grant
>
>
>
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at isc.org
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