[Mimedefang] Adding support for learning our addresses

[David F. Skoll]

[Discussion on "learning" your external IP]

No matter what method you use, Evil NAT Boxes can defeat it.  For example,
I know of some NAT boxes that pick a public address in a round-robin fashion
for each outgoing TCP connection.  There's no sensible way to find out
your "real" IP address from an external source under those circumstances.

Regards,

David.