[Mailman-Users] Sendmail and apache on Different Servers

John McIntyre joh98.mac at gmail.com
Thu Feb 19 12:00:10 CET 2015

I am running several servers, including a mail server (sendmail) which is
primary MX for my domain.  These servers are all behind a router/firewall.


I would like to get a mailman instance working, so I install a new VM:


So I get sendmail up and running on the new server, and can send e-mails,
and they arrive with the correct sender envelope.

External DNS for mydomain.com points to the external IP of my router.

The problem is that there is already a www and mx server, and my router
forwards all traffic on ports 80, 443, 25 and 143 to those two servers.

So how do I get the new mailman server to talk to the outside world?

I'm guessing that apache can proxy for the mailman server, but what about

Any and all help appreciated.

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