Rated 5 out of 5 stars

per kubahaha el ago. 7, 2014 ·

Addon is really useful, this feature should be built in Thunderbird.
Also support is really quick - definitely 5 star

This review is for a previous version of the add-on (3.14.1). 

per Realraven (Axel Grude) (desenvolupador) a ago. 7, 2014 ·

with your help I was able to fix this Ubuntu issue very quickly:
https://www.mozdev.org/bugs/show_bug.cgi?id=25824