James Butler wrote: > Postfix 2.5.5 > SpamAssassin 3.2.5 (under Perl 5.10.0) > ClamAV 0.95.1 > Dovecot 1.2.rc2 > > works fine on Fedora 10. > > Installed Dovecot and ClamAV from source and everything else using yum. > > I'm using the ClamAV plugin for Spamassassin: > http://wiki.apache.org/spamassassin/ClamAVPlugin > > I'm calling Spamassassin with: > > /etc/postfix/main.cf: > mailbox_command = /usr/bin/spamc -f -e /usr/local/libexec/dovecot/deliver > > Postfix hands off to Spamassassin, which processes ALL mail (not just > attachments) through the ClamAV plugin before parsing for spam, and then > hands the whole mess off to Dovecot for 'deliver' to handle. > > How simple is that? > > Since ClamAV scanns all mail, it might be too processor-intensive for > really large mail systems, but it is working great for our 120+ user > system with lots of spam coming in. If you're using Procmail or some other > preprocessor that can hand off to a pipe, then you could skip the plugin > and pipe messages over a certain size (i.e. >1024) to clamd, instead. >
SpamAssassin is more of a CPU hog than Clam is, although that depends if you're scanning large files or not. If my mail systems aren't falling over while running Clam and SA (although I don't use the plugin, I scan the stream with clamd before SA) the average system should be fine too. ~Seth
