This is because thunderbird was recently updated to 3.0 in ubuntu but the enigmail package conflicts with thunderbirds of version greater than 2.0. Enigmail v 1.0 is needed to support thunderbird 3.0 according to the enigmail website.
-- enigmail claims to be for Thunderbird, but conflicts with it https://bugs.launchpad.net/bugs/527138 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs