> It's quite simple. We even use more than one SMTP Server to handle > incoming mails in this setup. Lodabalncing is done by an Alteon 180e in > front of the machines (currently 3, soon to be 5). I have a similar setup but I use ipf (ipnat round-robin) for my load balancing, on a freebsd box infront of the machines. Works just as good. e.