I've put some work into making a guide on how to set up spamassassin and clamav with a current qmail installation. If you're interested, check it out here:
http://grooveyardfunk.com/projects/qmail/
Let me know what you think and if it needs changes (and if you find it useful)!
http://grooveyardfunk.com/projects/qmail/
Let me know what you think and if it needs changes (and if you find it useful)!