Repair or replace a mail slot on an exterior stucco wall

Door Slot Mail Slots at door mail slot cover Since 1993, The Mailbox Shoppe has been a leading supplier of mail slots, letter slots, and letter box plates > Covers door opening 11 wide x 2 high maximum door slot lock It should be simple enough to carve a block of styrofoam to fit in the space behingd the outside door and fit a piece of brass or wood to the

doornmaat slot There is a metal flap on the outside of the wall and nothing on the inside I can even see daylight in the corners of the slot I'm tempted to cover the mail