a multi - family mailbox assembly wherein each individual box is disposed in a modular frame . each module can be secured in side to side relationship to another to give the appearance of a horizontal and vertical rectangular array of boxes . each box is inserted into and recessed backward from the front edge of each modular frame to preclude and prevent any efforts to pry open one of the doors of the box , as by the insertion of a screwdriver , crowbar , or other sharp - pointed tool between the door and module frame .