Hiya Maarten!

This is going a bit off topic, but the spam I receive is 90% porn.  I
haven't had one slip through in months.  The secret?  Adding bayesian and
network checks into the mix.  Given, I'm the only user on my system as
well as the admin, but I've seen 100% accuracy for quite some time now.

Your frustration is understood and shared.  I've had similar thoughts when
spam hit my inbox at 4.3 points (@#$L!!K, why didn't this rule score
higher?), but I've forgotten about them now that bayes and the network
tests are running so well.  Even those one-line spams or image spams are
getting caught.


Steering back slightly, SA's scores are weighted with a very clear goal:
maximize spam caught; minimize false positives; do this for the majority
of users.  The method used for scoring rules is indeed very real world: SA
users run the rules on their own, private, real-life corpora.  They then
submit the results of the latest rules back to SA.  Then the collective
results are analyzed and appropriate scores computed... scores that have
been optimized for the real-life SA users' real-life corpora.

Finally, if (since) SA does not suit your needs out of the box, it is
designed to be very easily customizable.  It's trivial to change the rules
and tweak the scores to best handle the spam your site and/or users tend
to receive.


I'm not criticizing your viewpoint, but with a little tweaking, SA really
"works for me"!

--
Chris Thielen

Easily generate SpamAssassin rules to catch obfuscated spam phrases:
http://www.sandgnat.com/cmos/



<--snip-->
> Nice to exchange thoughts about this though. :-)
>
> Kind regards,
> Maarten



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