On Mon, 05 Nov 2007 16:30:45 +0100, gerardi@??? said:
> So far its ok, but now exim on the backup mx server generates a bounce
> message to the original sender of the message.
>
> any suggestions how I can stop the backup mailserver from bouncing 550
> errors ?
It's probably the master MX that is generating the bounce, but anyway: one
way you can do this is to replicate the user database (in some form) to
the backup MX server, and check the validity of the destination username.
We have a script that runs on the backup MX server and collates the valid
recipients from the master and stores them in a local file. An ACL on the
backup MX server checks against this file before accepting mail.
hth,
Keith
--
Keith Edmunds
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