I've just opened a bug at bugzilla.gnome.org, with a patch to fix this issue. See: http://bugzilla.gnome.org/show_bug.cgi?id=347905
-- Can't create folders in a mh mailbox https://launchpad.net/bugs/50585 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
