The system admin guys changed some settings on the mail server, and Thunderbird is working again!
It appears that there must have been some setting on the mail server that broke things when Thunderbird updated on 21 July. (Sorry, I don't know what setting was changed.) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1477987 Title: Thunderbird 1:31.8.0+build1-0ubuntu0.15.04.1 never asks for account password To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1477987/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs