Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
works as advertised, but ... Rated 4 out of 5 stars
I'd like the "upside down" gmail also, newest message at the top of thread. (Or at least this as an add-on option)
In my dream world, messages from a "Sent" folder would also be in the thread bubble (like gmail!), but the developer never claimed to have this functionality. Cheers!