SpamFilter – The Trac ProjectTrac Spam Filtering This plugin allows different ways to reject contributions that contain spam. It requires at least Trac release 1.6. The source code for version 1.4 and before isn't updated any more, but is still available. The spamfilter plugin has many options, but most of them are optional. Out of the box the plugin provides basic spam protection. But there are some things which may be helpf
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