[Mimedefang] MD New Feature Request

[Jim McCullars]

David, since you were kind enough to include my last feature request in a
release of MIMEDefang, here I am with another.

We have one main campus email gateway, but at times, incoming mail could
go through a backup gateway.  I would like to run MD as a milter on a
third machine, that could filter mail for either of the two gateway
machines.

If I want to take advantage of looking at the "HELO" string and
determining if someone is deliberately spoofing their identity, I need to
know which of my two gateways is doing the calling.  Would it be possible
to add yet another argument to filter_relay, that has the IP address of
the machine that is *receiving* the mail?

In addition, can you think of any issues I need to take into account if I
want to run the milter on a different machine, or running a milter for
more than one machine?  Thanks...

Jim