Sendmail

Hey you seem to have it allmixed up, proxy is used to only share an internet connection amongst a group. You need a mail server like sendmail and fetchmail or MS Exchange to redirect mail. Is this the same thing you are talking about.

Sendmail
I'm going to explain to you my situation, I'm using sendmail 8.8.7 and TIS firewall toolkit, I have a red hat linux 5.2 as proxy server which we use as mail repository. TIS software takes every X minutes all mails here and sends them toour mail server(linux 7.0), but now I want to change of proxy server to a new CSM proxy in another server and with another red hat linux version, where TIS doesn't work, I really don't know how I can configurate it to do the same thing("check the repository and send all messages to our internal mail server").

I forgot to explain you that, TIS sends all mails first to the sendmail which is installed in the proxy server and the sendmail sends them to our internal mail server.