Airmail has gesturing features implemented that enables you to swipe left and right quickly on Inbox folder and other main folders without fuss. This also best thing to improve the daily productivity for all type of users.
Screenshot & Instruction
Two finger swipe right to left for moving the message into trash
Two finger swipe left to right for moving the message into the archive
You can edit the Left and the Right Swipe in Airmail Preferences > Actions as shown in the screenshot below.
Please contact support if you encounter any difficulties and we will be glad to help you out!