Thunderbird version please, please, please Rated 4 out of 5 stars

I'm begging you to create a version that works with Thunderbird email. I periodically search for case changing extensions for Mozilla programs and you seem to be the only one who is doing something about this. I have had case changing in my text writing programs since the eighties and I don't know why I can't have it in Thunderbird.

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