Hello. I need to redirect all mail trafic that enters a gateway to an email server inside the same LAN. Here's the scenario: |----------------| |----------------------| internet <---> | gate(10.0.0.1) | ------ | mailserver(10.0.0.2) | |----------------| |----------------------| "gate" is the only machine with a real ip, so, from outside this LAN, people will refer to it in order to fetch their email. So my question is: What rules do I need to use in order to make "gate" pass the mail tasks to "mailserver" (receive smtp/pop requests) ? Thanks in advance. Julio Cesar Ody