Puntuado con 3 de 5 estrellas

It is now showing on Add-ons as available, thanks. I just did an unsubscribe and it worked as it should.
I will monitor success, as I just tried it on a website which consistently spams, and is a legit company, and will see if they take us off their mailing list

Esta valoración es de una versión anterior del complemento (1.0.0). 

Puntuado con 2 de 5 estrellas

I cannot get any action after I click the add to Thunderbird button. nothing happens

Esta valoración es de una versión anterior del complemento (1.0.0). 

Thank you for your feedback. Is the addon listed in your thunderbird addons, or is it not shown at all?