Rated 3 out of 5 stars

It's not compatible with Thunderbird 76

This review is for a previous version of the add-on (2.1.6). 

That's true - and it will not be necessary to have Enigmail in future versions of Thunderbird:

https://blog.thunderbird.net/2019/10/thunderbird-enigmail-and-openpgp/

Rated 5 out of 5 stars

Muy buen complemento para mantener la seguridad

This review is for a previous version of the add-on (2.1.2).