[Wlug] Good HowTo

Anybdoy know of a good howto for setting up a home mail server? Gentoo has a Virtual mailserver how to, but that's not what I'm looking for. I own two domains, and I want to have email from those domains delivered to my server. I have Postfix in mind, I've heard it's pretty easy but I'm obviously not set on it. I'd also like to include spamassassin, and antivirus (clamav probaly...) Thanks Eric