Rated 5 out of 5 stars

by Michael Greis on Dec. 31, 2015 · permalink

This is a very powerful and useful add-on for Thunderbird. I organize mail with a large number of folders and sub-folders in multiple e-mail accounts. Combined with the "Copy Sent to Current" add-on, I am able to keep both incoming and outgoing mail organized with just a few keystrokes.