In Firefox 11, setting the value of network.protocol- handler.external.mailto from false to true fixed the problem.
Thanks for leading me down the right path. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/222944 Title: mailto links in Firefox 3.0b5 do not open up Thunderbird compose windows To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/222944/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
