On 8/14/2012 5:14 AM, Ori Bani wrote:
> I'm curious, if you have a smtpd service in master.cf that listens on
> an IP address, if it would be possible to restrict the recipient maps
> just to the recipients in the domain associated with that IP address
> (there are other smtpd services/domains/IP addresses on the same
> postfix instance).

An excellent application for multiple instances.

> Or can I override in master.cf
> with the right combination of settings?

Possible, but for multiple personalities it will become an
unmaintainable mess.  Multiple instances are fairly painless with
recent postfix versions, and you will get a system far easier to use
and maintain going forward.
http://www.postfix.org/MULTI_INSTANCE_README.html


  -- Noel Jones

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