https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6123





--- Comment #2 from Karsten Bräckelmann <[email protected]>  2009-06-04 
02:08:40 PST ---
While this probably can be useful in some cases, it makes it really easy for
the user to shoot his own foot. The problem is with carefully evaluating how
many hits can be considered ok-ish, and where to raise the score beyond all
thresholds -- and to craft scores matching that.

If this would be implemented, I guess I'd prefer something like the procmail
weighted scoring technique, which would cover this -- as well as the currently
existing ones as special cases x=0 (plain rule) and x=1 (tflags multiple). More
of a gut feeling, though, didn't think it through properly yet. ;)

As for the name, tflags multiply is a no-go IMHO. This needs some better
distinction from multiple than a single char change.

Matt, can you point us at a previous discussion? On list, or bugzilla?


Anyway, regarding the challenge to come up with an example, the following
flexible and easy to grok rules' stub is about what you need to beat. Doesn't
it pretty much do what you intend?

tflags __FOO multiple

meta  FOO    ( __FOO )
score FOO    0.2

meta  FOO_4  ( __FOO >= 4 )
score FOO_4  1.0

meta  FOO_8  ( __FOO >= 8 )
score FOO_8  2.5


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