Rated 5 out of 5 stars

Από τον/την romkyns στις Αύγ. 17, 2014 · μόνιμος σύνδεσμος

Granted, it's something that's only needed because nobody can be bothered to implement this in Thunderbird directly, but hey, it works! The addon is also nice and polished, it's actually pleasant to use. Thanks, Jonathan!