On Sat, 3 Feb 2007 23:33:29 -0500, "Jack Gostl" <[EMAIL PROTECTED]> wrote:
>>>I've been watching this for awhile, and there is now a pattern to what I'm >>>seeing. >>> >>>I'm running a configuration with multiple users sharing a bayes files. >>>This is an interim move to facilitate the spamassassin upgrades, and like >>>many interim moves its been going on for a long time. >>> >>>When I first build the bayes files from my personal folders and my spam >>>archives, things were great. 99.8% of the spam caught or better. Then, >>>usually after a week or so, the number starts to drop. Right now, its down >>>to 97%, in another day or two it will be down below 95%. With the amount >>>of spam we receive, that is a lot of missed junk mail. >>> >>>So I blow away my bayes* files, rebuild, and I'm back up to darn near 100% >>>caught. For about a week. Then the deterioration begins again. >>> >>>Has anyone else encountered this? Is this an artifact of too many users >>>sharing a spam file? >>> >>>Also.... I retrain each night, feeding any missed spams plus any new hams >>>received back through sa-learn. I can't see how that makes it worse, but >>>who knows. > >> Do you have autolearn enabled? > >Uh... yes? You are suggesting that I turn it off? I had always assumed that >if the Bayes learned something as ham that it shouldn't, sa-learn was smart >enough to undo it. > It might be worth a try, or at least vary your values higher and lower for spam/ham. I've had issues with autolearn before and no longer use it. My mail flow is low enough that manual learning suffices. Regards Nigel