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bayes_seen file very large (Bayes database) [message #372] Tue, 14 June 2005 19:38
Messages: 926
Registered: April 2004
Senior Member
Database expiry never reduces the size of the bayes_seen file, which stores the message-IDs of messages learned as ham or spam. This is a known SpamAssassin bug (#2975), which will probably be fixed with SpamAssassin version 3.1.

See also this URL for a discussion of this bug:

With earlier versions, the bayes_seen file may grow to considerable size, which can cause performance problems. If you find your bayes_seen file (located in the sa\db subdirectory of your installation) is very large (more than 20MB), you should replace this file with an empty one as a workaround.

An empty bayes_seen file is part of the pre-trained database included with the installer of NoSpamToday!, but you can also download it separately here:

This file works with SpamAssassin versions 3.0.1 or later.

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