Rated 1 out of 5 stars

yazan: trooper tarih: Mayıs 29, 2013 ·

does not work on TB 17.0.6 and gmail

greyed out

This review is for a previous version of the add-on (0.3.5). 

yazan: Arnaud Abelard (Geliştirici) tarih: Mayıs 29, 2013 ·

It's been intensively tested with gmail on all versions. No reason it shouldn't work for you. It's probably due to another extension conflicting with it.