> From: owner-postfix-us...@postfix.org [mailto:owner-postfix-
> us...@postfix.org] On Behalf Of Wietse Venema
> 
> Juerg Reimann:
> > Hi there
> >
> > I have a running Postfix configuration with several domains and
> > local users (virtual_mailbox_maps). Is it possible to also use
> > that system as a mail relay (inward and outward) in front of an
> > MS Exchange system? Does anybody know some how tos for that?
> 
> Yes. For inbound mail, use relay_domains, relay_recipient_maps, and
> transport_maps as described in
> http://www.postfix.org/STANDARD_CONFIGURATION_README.html#backup
> 
> For outbound mail, add the internal system to mynetworks, so that
> permit_mynetworks works as expected.
> 
>       Wietse

Thanks! What are we going to do if you decide to retire one day..? ;-)

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