Rated 4 out of 5 stars

Thank you very much!
Worked great with Thunderbird 5 Beta - Ubuntu 11.04. But since I updated to Thunder Bird 6 official release, this does not work any more, even try to close or minimize, still no Thunder bird icon in system tray.

Best regards,
Quy

This review is for a previous version of the add-on (0.3.1).