Rated 5 out of 5 stars

Thanks! I have been looking for this, very long.

Just one problem: Thunderbird 2.0.0.23 claims that version 0.6 from https://addons.mozilla.org/ is incompatible. Version 0.7 from http://forward.mozdev.org/ works!

This review is for a previous version of the add-on (0.6).