Rated 5 out of 5 stars

Version 0.1.7 works like charm now!.

Thanks for fixing the problem and for adding the german locale. We added your extension to our collection in german thunderbird-mail.de wiki:
http://www.thunderbird-mail.de/wiki/FAQ:Auflistung_einiger_Erweiterungen

This review is for a previous version of the add-on (0.1.7).