On Sat, 6 Jun 2015, Michael B Allen wrote:

Right now I'm using procmail to put spam in user's .Spam Maildir
folder and then periodically just manually running sa-learn on
.LearnAsSpam and then deleting everything from both folders. This is
obviously not ideal since it's a) manual and b) deletes everything and
so there's no way to look into recent spam to look for false
positives.

sa-learn won't re-learn a message it's already seen unless the classification is changed. Rather than deleting learned messages from the folder, rotate the entire folder monthly to a backup that sa-learn doesn't look at. That way you keep history so that corrections or retraining from scratch is easy.

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
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