Review for Manually sort folders by Andrew
Rated 5 out of 5 stars
It's very useful if you have too many email addresses/folders or if you have several devices and want them to be as similar as possible. It's also helpful if you are just picky like me.
This review is for a previous version of the add-on (2.1.1).To create your own collections, you must have a Mozilla Add-ons account.