> -----Original Message----- > From: Matt Kettler [mailto:[EMAIL PROTECTED] > Sent: February 27, 2006 5:18 PM > To: Jeff Portwine > Cc: [EMAIL PROTECTED]; users@spamassassin.apache.org > Subject: Re: question on training spamassassin > > Jeff Portwine wrote: > > Hmm.. I don't quite understand this. At my company, we > forward any > > spam that gets through to [EMAIL PROTECTED] and any ham marked > as spam to > > [EMAIL PROTECTED] ... this was set up long ago before I > even started > > working here and the spam filter worked really well. Recently our > > bayes database was broken and I ended up clearing it and > retraining it > > with old spam and ham. Since that time a lot of spams that were > > getting through STOPPED getting through after a couple of days of > > forwarding them to the spam address... and I haven't seen any false > > spams. So it seems like it does work for us, but you're saying it > > shouldn't ? > > Correct. It shouldn't work very well. > > Also if your users are only or mostly forwarding spam, SA's > bayes is going to have a bayes bias that all messages > forwarded by your mail clients are spam, regardless of content. > >
Does this also mean that it is almost useless to share bayes from one server to the next if each server has its own set of hosted domains ? Because if the headers play such an important role, spams targetting different sets of domains, I assume, are learned differently.
