-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Tuesday 23 March 2004 04:17 am, Nigel Wade wrote: > Charles Howse wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > On Monday 22 March 2004 09:12 am, Nigel Wade wrote: > >>Charles Howse wrote: > >>>-----BEGIN PGP SIGNED MESSAGE----- > >>>Hash: SHA1 > >>> > >>>Hi, > >>> > >>>While reading another thread, I remembered I had no custom preferences > >>>for spamassassin, and decided to create some. > >>> > >>>I use the default settings for starting spamassassin at boot, and the > >>>following filters in KMail: > >>>1. In KMail menus, select Settings->Configure Filters > >>>2. Create a new filter with filter criteria: > >>> <any header> matches regular expression . > >>> (the regular expression is just the character "." meaning > >>> "any character") > >>> and filter action: > >>> pipe through spamc > >>> Uncheck the box "stop processing if this filter matches" > >>>3. Add a second filter below the one created in step 2, with criteria: > >>> <any header> contains X-Spam-Flag: YES > >>> and action: > >>> move to folder trash > >>> (or whatever you want to do with your spam) > >>> check the "stop processing..." box > >>> > >>>These filters are working fine, with the exception of those html spams > >>>with all the random words in the body when viewed in text mode. > >>> > >>>I was just wondering if anyone would like to share some _generic_ > >>>preferences for ~/.spamassassin/user_prefs, or comment. > >> > >>The way to catch those is with Bayesian filtering. You need to teach the > >>Bayesian filter with sufficient messages so that it learns what is spam > >> and what is not (at least 1000 of each is a good rule of thumb for best > >> accuracy). > > > > For the sake of the original subject, I was interested in the user_prefs > > file. > > > > > > I'm periodically training it with sa -learn on the MissedSpam folder. > > I'll 'get there' sooner or later. > > > > I have never seen a false positive in my FilteredSpam folder, so I see no > > need to train it on what *is* spam. Am I wrong? > > It's most important to train it with anything it misclassifies. But it's > still a good idea to train it with both spam and ham which it has > identified correctly. This way its database of spam and ham is kept > current. If you don't keep training it it will get steadily worse and worse > as the spam evolves. This is good information. I had not thought of that. Thank you. I already have a script that will do that, just need to run it occasionally. jdow has pointed me to a page with custom rulesets: http://wiki.apache.org/spamassassin/CustomRulesets but I'm still interested in comments or generic settings for my ~/.spamassassin/user_prefs file. Anyone care to share? - -- Charles Howse Jackson, TN Registered Linux user # 347576 (http://counter.li.org) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFAYEo1/S+VsB9RMKgRAqIvAJ9ti9YR+lSCvjPKzMLEGOpZL72nlgCfWa+6 Alwnou+SlMEtfXnJx+ATHzY= =aOVp -----END PGP SIGNATURE-----
