Can you please post the output of the following commands as typed: apt-cache policy lightning-extension thunderbird ls_release -a
Also as i recall this has been reported already. Can you please see if it works in sunbird from repos? Also please file this upstream with mozilla and add the link to this bug report so we can track it. -- Lightning: event replies are marked "TENTATIVE" instead of "ACCEPTED" https://bugs.launchpad.net/bugs/412060 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