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False Positives and False Negatives
To clean a spam corpus of FalsePositives and FalseNegatives – first, do a mass-check. You will wind up with a 'spam.log' and 'ham.log' file. Run these commands to get a list of the 200 lowest-scoring spams, create a mbox file with just those messages, then open that mbox up in the "mutt" mail client:
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You can also remove the offending files, or messages from the source mailboxes, directly. However, this depends on what format you use to store messages; Maildirs, mboxes, etc. etc. (Maildirs are easiest, since you can just delete the files named in the 'id.fps' file.)
Doing the same operation for FalseNegatives to clean the ham corpus of FalsePositives is similar, but reverses a few things... here's the commands to do that:
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