kevins at BMRB.CO.UK
Thu Feb 12 22:16:40 GMT 2004
On Thu, 2004-02-12 at 22:06, Matt Kettler wrote:
> It's 100% impossible for SA to ever bayes_learn from a generic forwarded
> message. Most forwards have lost their headers, had text added to the body,
> HTML re-encoded by the client, attachments stripped, multipart/alternatives
> covnerted to singlepart or vice-versa, etc.
> SA MUST be fed a message that has original, unmangled body, and the
> original headers included. Anything else will poison your bayes database.
Worth noting that (IIRC) SA uses the messageID as a key, so if you want
to relearn a message that was identified as ham as spam (or vice versa)
you must preserve the headers, so that SA can realise that it previously
learned the message and so unlearn it before learning it correctly.
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