Tech Notes/System/Qmail and Friends/Running SpamAssassin The {link:SpamAssassin|http://spamassassin.apache.org/} build is fairly straightforward. We use SpamAssassin as a filter in procmail: {code:none} :0fw : spamassassin.lock * < 256000 | spamassassin :0 * ^X-Spam-Flag: YES { CHALLENGE=1 } {code} (The "CHALLENGE=1" assignment is picked up by TMDA, which is further down the procmail chain.) 2005-12-19 21:24:03.0 2005-12-19 21:24:03.0