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Is there a quic and dirty way to convert port 25 incoming from the outside via PAT to another port (2025) on the inside?We have an ASA5520 and we have a static NAT for our mailserver as well as the security rule that allows port 25 traffic in from a ...
You are correct sir. The outgoing mail problem is indeed that I do not know what the source port is inside the packet. In Exchange you have a receive port and a send port. If I blow away port 25 and put only port 2025 on the recieve listening port...
OK. I did the packet traces as you say, with the correct interface inputs chosen. I found that 1/2 of the problem is an ACL. We get our Internet SMTP mail from "Admin-Email-Servers" and so we only allow from those IP's only to a destination of por...
