Usually I don't like put hosts directly on pubblic network, only behind a firewall with nat and a C private network. I suppose mail, mx1 and mx2 with two nic's and routing from private to public, right? Besides, it's a nice whole toaster project.
> I just put up the first of a few cluster designs.. this one actually > has some notes as well. It's a simplified representation of a design > that I helped work on for an ISP in Texas. The actual ISP has 6 spam > scanners and 2 virus scanners. Anyway, in case anyone finds > it useful,
