Avaliado em 1 de 5 estrelas

por Firefox user 875dd2 em Fev. 5, 2020 · link permanente

This add-on is listed with my installed add-ons, but there is no evidence of it in Thunderbird and no way to use it. There is supposed to be an option for it under Tools, but there is not.
Tried contacting the developer but have received no response.