Ives 620 Letter Box Plate Mail Slot for Doors

Mail Slot Option- for 4B+ Horizontal Mailbox Door mail slot on door Deltana online catalog for Mail Slot & Sleeves mail slot box You may have ordered a Mail Slot with a gravity flap on the interior side of your door, or with a frame only Installation is basically the same for either

mailbox slot The rule actually comes from the postal operations manual, and basically what it breaks down to is you are supposed to get permission from