spamassassin-users December 2011 archive
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spamassassin-users: Re: URIBL_PH_SURBL


From: <darxus_at_nospam>
Date: Thu Dec 01 2011 - 18:11:35 GMT

On 12/01, Jeff Chan wrote:
> Also keep in mind that PH has a generally low score even for net
> + bayes since it doesn't hit a large portion of spam in the SA
> corpus.

No. Scores are not determined by how many spams a rule hits. Scores are
automatically generated to correctly flag as many spams as possible
without exceeding 1 false positive in every 2500 hams (with a
required_score of 5).

Stated in
(a file you get via sa-update)

So it's entirely possible to have a rule that hits a very small percentage
of spam with a very large score.

-- "This hurts quite a bit. Very painful." "Think of the sensation as reassurance that you are not dead yet. What you are feeling is life in you!" - Johnny The Homicidal Maniac