This has already been fixed in Thunderbird 3. Comment 4 from the Mozilla bug:
That would be because of the five-digit bug that finally got fixed, that was preventing accesskeys from working when the same key was used in different tabs - one of the retention policy checkboxes was fighting for your alt+r. -- Alt-R keyboard shortcut for Rebuild Index doesn't work https://bugs.launchpad.net/bugs/279710 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