Mozilla Thunderbird 11.0 Hangs (bug 733731)

Mozilla Thunderbird 11.0 was released in March 2012. This version has a bug which causes it to hang with at least IMAP configurations. The current resolution is to roll-back to version 10.0.2 or move forward with the beta versions of b12.x until the next release is completed around April, 2012.

Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=733731

Versions: http://releases.mozilla.org/pub/mozilla.org/thunderbird/releases/