While residential mail slots are only advisable for postal areas with walk-up delivery, the advantages of these through-wall and through-door slot mailboxes are three-fold: Advantages of a Residential Mail Drop Slot The mail passes through your door (or wall for wall-mounted door slots) and lies securely on the inside of your home, either on the floor or in a mail slot collection box. When the postal carrier walks up to the house, the mail carrier simply lifts the lid on residential mail slots to insert the mail. USPS mailbox guidelines require any horizontal mail slot to be hinged at the top and any vertical mail slot to be hinged on the opposite side from the door’s hinges (if mounted on a door). Through Wall – Your wall mail slot mailbox can be installed through the wall of your home.Īn exterior mail slot cover (or lid) covers the mail slot so that the home remains insulated against the elements. When installing a wall mail slot mailbox you can choose either:ĭoor Mounted – Bursting forth with nostalgia, a door mail slot mailbox can be installed through a front door (or garage door).

A residential wall mail slot offers the ultimate convenience for homeowners lucky enough to still receive walk-up mail delivery.