I recently set up notifications for backup errors. I created the notification target for gmail and then created a new notification matcher. That went fine. But then I realized that the default-matcher would be hit if the backup-error matcher didn't. So I modified the default-matcher to match all non-backup types. The first issue I had was that I couldn't find a way to use the GUI to express 'invert-match true'. Is the GUI lagging behind the config file and documentation or am I missing something? Second, is this the right way to do this - for every matcher, update the default-matcher to match all except the handled ones?