On Tue, 18 Oct 2011 13:07:21 -0700 (PDT)
Mynabbler wrote:

> 
> 
> RW-15 wrote:
> > 
> > It would hit:
> > Re: Did you pick-up the dry-cleaning?
> > 
> Nope. Scores just two (one ':' and a '?') and the rule needs three
> different odd characters.

OK the font I'm using makes ~ look very like a -, but the point remains.
If a subject starts with FW: or  Re: and has a [!?], which is
pretty common, you are then triggering on only one extra character. If
you look back through this list you will find numerous such replies.


> RW-15 wrote:
> > 
> > I think it needs more work, maybe combine it with tests for lots of
> > very short words or adjacent punctuation pairs.
> > 
> As I explained, even if the rule would have fired, it adds a whopping
> 0.1 score. It only shows teeth when combined with other findings...


So, why isn't it worth scoring if it's a useful rule? And why score it
so high with FREEMAIL?. The danger here is that you end-up with a lot
FREEMAIL && WEAK_RULE metas that are prone to high-scoring FPs that
BAYES_00 can't save. If FREEMAIL_FROM is a good indicator then score it
up, and score other rules on their merits.

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