Rated 3 out of 5 stars

Από τον/την fishlevel στις Μάιος 18, 2020 · μόνιμος σύνδεσμος

It seems like this add-on actually searches for the "Tools" menu label. In other languages the label is of course different, e.g. "Extras" in German. This means that it does not work unless the Thunderbird language is set to English!