On Mon, 16 Feb 2015, ttgh wrote:
Reindl, thank you for the reply but in our situation we have 100% confidence that these old addressees are spam. In any case, that's our risk to bear. Can you offer any suggestions on how to use these old addressees as a 'honeypot' or even an outright ban list? (I'm not sure what the technical description should be.)
Even if you're 100% confident, it's a bad idea to feed them into your spam corpus blindly. Capture them and every couple of days review them and if they really are spam transfer them to your vetted spam corpus. Then train from that.
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