Steve Atkins: > I suspect the answer to this is going to be "Well, don't do that then." but I > may as well ask... > > I have a VM that's running two services. One of them is a vanilla postfix > smarthost - it accepts mail on port 587 and relays it out to the world. > > The other is an unrelated smtp server that listens for inbound email on port > 25. They use unrelated domains and hostnames, but are both on the same IP > address.
You can't do that with Postfix. Specifically, the inet_interfaces settings must be non-overlapping. Wietse