On Wed, Nov 01, 2006 at 08:14:39AM -0500, Tim Boyer wrote:
> Last week I added a rule to tag those annoying .gif pump-and-dump emails.
> Nothing fancy:
> rawbody IMG_SRC_CID         /src\=(\"c|c)id\:/i

There are several issues with this rule IMO, but there's already a very
similar rule available via sa-update:

 16.856  20.0630   0.3170    0.984   0.77    1.00  __TVD_INT_CID

which shows that it hits a lot of ham (0.32%), but also hits 20% of spam.
It's good enough for a meta dependency, but not necessarily as a rule for
itself, though YMMV.

-- 
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"It is sometimes fun to scare people... Especially Matt." - Michelle

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