Rated 5 out of 5 stars

Lovely Add-On :-)

Surprisingly since I use TB3 it doesn't work any more for FORWARDED messages.
If I forward a message the result looks like this:
"Fwd: Re: Test Mail"

This review is for a previous version of the add-on (0.4.1). 

Fixed in 0.4.2

Forwarding for TB3 is fixed in v0.4.2. :)