Mozilla Connect

Please would it be possible to add a button to the Thunderbird toolbar that does what the shift + del shortcut does, i.e. permanently delete selected emails from the inbox without even sending them to the trash?

Is it possible to enable sorting of conditions in a Thunderbird filter's rules? I have a filter that trashes promotional emails. I add a new rule for each unwanted sender, but I have to scroll through the entire list of conditions to make sure it doe...