Review for Manually sort folders by Günter
Rated 4 out of 5 stars
It is working as expected in TB 52.9.1 on Linux Mint/Ubuntu as well as on Linux CentOS 7. It doesn't work on Window with TB 60. With TB60 none of my mail accounts is listet!
This review is for a previous version of the add-on (1.1.1).To create your own collections, you must have a Mozilla Add-ons account.