On Thu, Aug 09, 2012 at 02:07:22PM -0400, Alex wrote:
> Hi,
> 
> >> # sigtool --find-sigs MBL_303159 | sigtool --decode-sigs
> >> Does anyone know what's going on with this domain? It doesn't look
> >> like a domain thousands of my users would be including in their email
> >> on Aug 7th, so I don't know whether the emails were really spam...
> >
> > Hi Alex,
> >
> > The problem I think was that the sig was bad and it matching anything
> > "www."  hence the huge number of FP's....
> 
> I thought the signatures were fixed? In other words, simple pattern
> matching for a fixed string.
> 
> I didn't realize it was dynamic and could match an expression, or am I
> missing something?

MBL's signature download (http) is unreliable and sometimes gives out
incomplete files.  Obviously if the file cuts out in the middle of signature
this can happen.

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