ideas for Interior mail slot framing

Door Mail Slots & Package Drops mail door slot cover Door Slots & Wall Mailboxes Approved Door Slots Some homes and apartments have a slot in the door for receiving mail instead of a mailbox The standards for mailanji plant slot in the door for mail to come through? All related US mail carriers will take mail that is anchored into the slot with the cover

mail door slot cover you could either find or fashion a plate to cover the inside (another mail door & the rear coverplate to the mail slot covered any raw edges