[Gllug] Rejecting mail at backup MX

Jason Clifford jason at ukpost.com
Tue Feb 10 12:27:25 UTC 2004

On Tue, 10 Feb 2004, Jack Bertram wrote:

> Postfix.
> I use $local_recipient_maps together with $virtual_maps on my primary MX.
> On the backup MX, I have the appropriate domains in $relay_domains.

I think you can do this with a check_recipient_access map lookup. You just 
need to create a suitable map of your valid local addresses and place it 
on the backup MX.

Then you'd specify this as a condition in smtpd_recipient_restrictions 
like so:

smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/mx

Note I've not done this myself so I cannot confirm that it works but it 

Jason Clifford
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