* On Sep 26 14:57, Jose Gonzalez Gomez (gentoo-server@lists.gentoo.org) wrote:
> As far as I know about DSPAM (anybody correct me if I'm wrong), you
> must train it in order to begin detecting spam. I have never
> configured it, but I'm using it, and it provides two special addresses
> per user: spam-user@yourdomain.com and fp-user@yourdomain.com.
> Whenever you receive spam not detected by DSPAM you must forward it to
> the first address. Whenever DSPAM incorrectly tags a mail as SPAM you
> must forward it to the second address (false positive). The more you
> train it, the more accurate it gets.

I trained DSPAM for over 6 months.  It never gained accuracy past the 
first week, topping off at about 93%.  (And yes, I did check that it was 
still learning, picking up new tokens, etc.)
Tom