Thanks for your report :)
Closing, as you indicate its been fixed.
** Changed in: mozilla-thunderbird (Ubuntu)
Status: Unconfirmed => Fix Released-- Message filters don't work if scandinavian letters are present in rules https://launchpad.net/bugs/26096 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
