Rated 3 out of 5 stars

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

This review is for a previous version of the add-on (1.0.0). 

Rated 2 out of 5 stars

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

This review is for a previous version of the add-on (1.0.0). 

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