OS X Mavericks 10.9 Server 3 ships with SpamAssassin, but there are almost no controls available to admins (shame on you, Apple). Of course, a well-trained Bayes spam filter will cut down on annoying spam messages.

Thanks to the good folks at topicdesk.com, it’s super easy to set up the server for training the onboard SpamAssassin bayesian spam filter.

Here’s how:
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