dumb USPS mail question- outgoing mail door slot?

door mailbox slot   Dan doornmaat slot

Discount Door features a selection of mailboxes, mail slots and numeral plaques in quality architectural finishes

The No-Draft Mail Slot has two door flaps, both spring loaded and weather-stripped, as well as an internal brush strip for greater insulation and privacy Both The letterbox flap is attached to the door and thus enables letters to reach the vestibule directly It is made of 2 mm thick polished stainless steel V2A

php slot DuraBox is one brand that's great It is installed on the inside of your door so it can't be tampered with and has a metal locked box that holds you mail No Brass Vertical Door Mail Slot This mail slot can ben installed either vertically or horizontally Our mail slot is made from solid brass material in four