@MarkieB Thanks for your help, got the Calendar option in the Messaging Menu, I did indeed need to put Calendar in the X-Ayatana-Desktop-Shortcuts string in the thunderbird.desktop file. One of those, kick yourself when you see it, moments.
Many thanks to everyone who helped on this. -- Indicator applet does not honor preferred email client https://bugs.launchpad.net/bugs/540953 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