Fabian: did you install the List-extension as well as one of the 2 that it depends on?
-- Thunderbird doesn't support RFC-2369 based Reply-To-List https://bugs.launchpad.net/bugs/52667 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs