This problem is really unexpected and has caused me a lot of grief. When I got a message from a identity protection service that my gmail account MAY have been compromised, I changed my gmail password. Then as soon as I tried to get mail via thunderbird, I got imap authentication errors.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to thunderbird in Ubuntu. https://bugs.launchpad.net/bugs/1852540 Title: changed gmail password now cannot connect imap with thunderbird 60.9.0 Status in thunderbird package in Ubuntu: New Bug description: this is a KNOWN problem as I have seen similar question on the Internet and it appears that something screwed up with Thunderbird in recent updates with their OAuth2 authentication method code. I am running Thunderbird 60.9.0 which appears to be the latest available for Ubuntu (Kubuntu) 16.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1852540/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp