all, I have an interesting observation on my mail gateway (policyd for greylisting, postfix, amavisd-new and spamassassin); after implementing greylisting and other measures such as RBLs there aren't enough spam messages coming through to keep bayes trained. While bayes has worked fine over the past two years, weekly expiry of the database now leaves me with approx. 80 spam messages (checked using sa-learn --dump magic) which is not enough for bayes to kick in anymore.
These are the spam stats for the past 12 months: http://www.slooff.net/cgi-bin/mailgraph.cgi?3-e Is this something others have also observed or is something wrong with my setup? Regards, Erik
