Sounds like you have this:
Internet email goes to a routable IP address on a Linux PC.
Linux PC (w/routable IP) runs NAT, port 25 is forwarded to Windows PC
Windows PC (w/non-routable IP; 10.0.0.x or 192.168.0.x are common) runs a
MTA on port 25 and receives the forwarded connections.
But you wan
Hello,
I have a Debian Linux Firewall, configured by someone I know that is no
longer available.
For my work I program on Windows platforms, so I don't know much about
Linux, just some basic things.
The problem I am facing has to do with mail spam.
Behind the firewall is a mailserver (wind
