SMTP Spam firewall relaying WC

From: WC
Date: 9/8/10 1:25 PM
Topic: SMTP Spam firewall relaying
Type: Installation
Post a follow up

I am looking to setup Xeams as a secondary MX to relay to our exchange server. One of things I don't see is how to control when it tries to resend to our exchange server. Basically I am wondering how log does it keep trying to resend emails to our primary mail server and is this control able?