Rated 5 out of 5 stars

by Melchior Blausand on Jan. 9, 2014 · permalink

It's super that still people care about the usability of Thunderbird and this does indeed help.But as long as these tags are not returned to the IMAP-server, it's only half-baked bread.OpenExchange's flags should definitely grow to work in sync with Thunderbird tags!