User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727) Build Identifier: version 184.108.40.206 (20081105) When checking Gmail it brings up a box with "could not connect to server pop.gmail.com;the connection was refused It was working ok with the old version of Thunderbird Reproducible: Always Steps to Reproduce: 1.Set up a gmail account and try to access it 2. 3.
Please check your firewall settings. Many systems require reauthorization after a software update before connections are allowed again. http://kb.mozillazine.org/Firewalls
Resolving INVALID (i.e., not a TB bug) after reporter stated by e-mail that problem caused by firewall configuration and was resolved.