A new version 2.83Beta1 of Simple Mail is available on the Development Channel on AMO.
https://addons.mozilla.org/en-US/firefox/addon/simple-mail/

What's new in this version ? :

- ADDED : Possibility to abort sending/checking mail
- ADDED : change icon when RE or FWD
- ADDED : Add Catalan language
- ADDED : Add Ukrainian language (thanks to Daniel Guerin)
- FIXED : Mailto handler work now (thanks to Vaka)
- ADDED : Option to open new mail in a new window
- FIXED : SPAM Management don't work correctly - code rewrite
- FIXED : Problem with email name with comma
- FIXED : space on the left of Simple Mail's button
- ADDED : Option to avoid confirmation of deleting messages