Bewertet mit 1 von 5 Sternen

Does not work at all. By clicking on the close button, the mail client is neither minimized or closed.

Diese Bewertung wurde für eine vorherige Version des Add-ons (1.1.0.0) abgegeben. 

It is possible that you use an unsupported version of Thunderbird and/or there is another add-on conflicting with Minimize on Close. If you need help, contact the support email address with more details – the rating feature here is not designed for conversations.