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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.)

Rules that are useful for spotting FPs in the spam corpus:

• ALL_TRUSTED: once a mass-check completes, it's worth grepping the spam.log for ALL_TRUSTED and checking what mails it hits.
  

Cleaning Out False Negatives

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