Rated 3 out of 5 stars

I heavily rely on the add-on but it doesn't work with TB 45.0, so I would like you to support it sometime soon.

This review is for a previous version of the add-on (1.2.8). 

Thanks for using confirm-address. Until fixing the issue, please use TB 44.0b1 or TB 38.7.2 .
https://ftp.mozilla.org/pub/thunderbird/releases/38.7.2/
https://ftp.mozilla.org/pub/thunderbird/releases/44.0b1/