I get error "Failed to connect to server ..."

[tanstaafl]

"So Google thinks that TB is not secure enough ?!?!"

"It has nothing to do with whether the email client is using the latest version of SSL/TLS or Perfect Forward Secrecy, its strictly an authentication issue. "

"Using a password is just as secure as OAuth2, except for the possibility for somebody who can access your PC to use Tools -> Options -> Security -> Passwords -> Saved Passwords to view your saved password. This is really just an attempt to increase use of OAuth2, which supports their business plan by supporting logging into third party web sites such as Facebook or Twitter without exposing the users password. After a while some other email providers such as Yahoo have started doing the same thing to encourage people to use their apps or webmail (instead of a 3rd party email client)."