It turns out that the new version simply reacted adversely to some old settings in ~/.gnupg/gpg-agent.conf
** Changed in: enigmail (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1491360 Title: New Engimail encrypts with the wrong key To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/enigmail/+bug/1491360/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs