Review for Check and Send by Lutz Issler
Rated 5 out of 5 stars
I looked for such a functionality on Thunderbird, and I finally found it. Works nicely, and is also highly configurable! Saved me a lot of headaches. Thanks a lot for your work!
This review is for a previous version of the add-on (0.8.30).To create your own collections, you must have a Mozilla Add-ons account.