On Sun, 11 Apr 2004, Ashley M. Kirchner wrote: >Stephen Smoogen wrote: > >>sa-learn --spam -C /etc/mail/spamassassin --showdots --mbox bad_file >>sa-learn --ham -C /etc/mail/spamassassin --showdots --mbox good_file >> > Okay, so far so good on all replies. Now, next question, again, >based on the two above commands: > > Most, if not all, of my users keep e-mail in separate folders, where >one of them is their spam/junk folder (assuming they collect them) and >others for various types of e-mail. Myself, for example, have over 24 >separate folder every month that I file e-mail under. And every month, >I archive them, and start fresh again (so I end up with >MIMEDefang-Jan04, MIMEDefang-Feb04, etc., etc.) > > Should I run sa-learn on all of these folders and teach it what's >good, and also on all the spam/junk folders collected? > > I realize the more I feed it, the more accurate it can detect spam, >but at what point is it just too much?
Ok, here are my lessons learned from my bad experience last month :). 1) Get both good and bad emails. 2) Do not get too old of a folder of SPAM/HAM as it will weight older dates/patterns too high. 3) Make sure you have more than the 1000 emails of both (or change your numbers in /etc/mail/spamasassisin/sa-mimedefang.cf Here is my settings for a small site. Make the use_bayes 1 auto_learn 1 bayes_path /etc/mail/spamassassin/bayes bayes_auto_expire 1 bayes_auto_learn_threshold_nonspam 0.5 bayes_auto_learn_threshold_spam 10 bayes_expiry_max_db_size 100000 bayes_file_mode 0644 bayes_ignore_header X-Spam-Status: bayes_ignore_header X-Spam-Score: bayes_journal_min_size 10240 bayes_journal_max_size 5120000 bayes_learn_to_journal 1 bayes_min_ham_num 100 bayes_min_spam_num 100 -- Stephen John Smoogen [EMAIL PROTECTED] Los Alamos National Lab CCN-5 Sched 5/40 PH: 4-0645 Ta-03 SM-1498 MailStop B255 DP 10S Los Alamos, NM 87545 -- You should consider any operational computer to be a security problem -- _______________________________________________ Visit http://www.mimedefang.org and http://www.canit.ca MIMEDefang mailing list [EMAIL PROTECTED] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
