Rated 5 out of 5 stars

yazan: tikmok tarih: Kas. 30, 2020 ·

Works well with TB 68.12. Doesn't work with Thunderbird conversations add-on. Sorry for earlier review.

This review is for a previous version of the add-on (4.1.1). 

yazan: Andrew Van Tassel (Geliştirici) tarih: Kas. 30, 2020 ·

The first screen shot shows you where the MailHops Button appears and is located in the upper right in the message header buttons above the time.