DOES WORK! - PLEASE READ Rated 5 out of 5 stars

@ MilAdrian, please take a look that this extension actually is the tunned version of the built-in Thunderbird Junk Filter that you can control it via Config Editor, but this is the Easy Way to train the built in junk filtering ;)The same settings you can use via: Tools->Options->Advanced->Config Editormail.adaptivefilters.junk_theresoldmailnews.bayesian_spam_filter.junk_maxtokens!!!BE CAREFUL WHEN USE CONFIG EDITOR!!!

This review is for a previous version of the add-on (1.0.1).  This user has a previous review of this add-on.