Tips on Manual Bayes Training?

Randal, Phil prandal at HEREFORDSHIRE.GOV.UK
Mon Jan 19 16:04:31 GMT 2004

Don't forget that what Spamassassin marks as spam isn't necessarily "learnt"
as such, so I'd feed your spam corpus to sa-learn too.



Phil Randal
Network Engineer
Herefordshire Council
Hereford, UK

> -----Original Message-----
> From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
> Behalf Of Nathan Johanson
> Sent: 19 January 2004 15:46
> Subject: Tips on Manual Bayes Training?
> Quick question for those of you with well-trained bayes databases.
> I'm planning to set up some spam traps. Question: Is there
> any advantage
> to learning messages already marked as spam by SpamAssassin?
> Logistically, it makes sense only to feed false negatives and false
> positives.
> For the time being, I'm planning on using MailScanner's "Non Spam
> Actions" ruleset to forward unmarked spam sent to (postmaster@, info@,
> sales@, etc.) to a spamtrap mailbox. I'll verify all messages as false
> negatives and then learn them into the bayes database. This is an
> attempt to offset some of the poisoning that's been affecting
> us lately.
> This doesn't take ham into account, but then I haven't had a lot of
> problems with false positives.
> Any suggestions or alternative methods?
> I like the idea of end users redirecting spam to the appropriate
> spam/ham mailboxes, but the majority of them are using Outlook or
> Outlook Express and don't have any way to do this.
> Nathan

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