Bayes: Worth it?

Jan-Peter Koopmann Jan-Peter.Koopmann at SECEIDOS.DE
Tue Dec 7 16:01:57 GMT 2004


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Hi,

> Please excuse my bayes ignorance, but don't you have to train
> it in some way to know what is really spam and what is really ham?
> How do you train a system like this when it's acting as a
> gateway?  I always assumed that there had to be user
> intervention in the training process...


Yes and no. As Julian pointed out, SA can auto-learn. You can also teach it via Exchange. One way would be to use public folders SPAM/HAM into which users drag their mails. You can then fetch the mails out of there and feed it back to SA via sa-learn. We currently archive all incoming mail for three days on the proxy via Mailscanner, fetch mails from Exchange public folders, lookup the original mail using the Message-ID and then feed the original mail to SA, DCC, Razor, Spamcop.

Regards,
  JP

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