Рейтинг 1 из 5 звёзд

от Oside Guy Сен. 5, 2018 ·

It would be nice if I could use it... but my T-Bird says it's Not Signed and thus not usable to me. V52.9.0 ESR.

Это отзыв для предыдущей версии этого дополнения (2.0.8). 

от Patrick Brunschwig (Разработчик) на Сен. 6, 2018 ·

Thunderbird doesn't check signing. Are you sure you didn't accidentally install it in Firefox?