Scheduled Maintenance: We are aware of an issue with Google, AOL, and Yahoo services as email providers which are blocking new registrations. We are trying to fix the issue and we have several internal and external support tickets in process to resolve the issue. Please see: viewtopic.php?t=158230
Thunderbird became useless with Google.
Re: Thunderbird became useless with Google.
As I said in another post, just enter your credentials, wait for it to fail, press the edit button and set the authentication mode to auto, it should be working.
I would exchange everything I know in exchange for half of what I don't.