in wall mail slots: Amazon.com : homyfort Over the Door File Organizer, Hanging File ... . 17 Different Types of Mailboxes You Can Choose From | Angi. VEVOR 11.8''x4.3''x14.2'' Through-The-Door Locking Drop Box, Door ... .
A in a wall or door through which mail is delivered. ...
slot for mail delivery.
Large Letter Post Box Mail box Steel Lockable Outdoor Wall Mounted With Keys.
A residential mailbox is a mail receptacle for private homes, available in various styles such as wall-mounted, post-mounted, and standalone units.