From: Covington, Chris (Chris.Covingtonplusone.com)
Date: Wed Nov 02 2005 - 08:30:24 CST

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On Wed, Nov 02, 2005 at 03:13:50PM +0100, Ireneusz Czajka wrote:
> Hello,
> I have postfix on internet gateway (amavis+spamassasin), internal Exchange (very old).
> Sometimes Exchange is down :(
>
> Question is:
> Is it possible to setup postfix to send incoming mail to exchange and other internal (backup) mailserver?

I can think of 3 ways off the top of my head.

Add another MX record for the backup mail server to your DNS,
or set fallback_relay on the gateway to the backup, or let the gateway
be the backup and give the incoming Postfix instance a longer
maximal_queue_lifetime.

---
Chris Covington
IT
Plus One Health Management
75 Maiden Lane Suite 801
NY, NY 10038
646-312-6269
http://www.plusoneactive.com

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