A
letter box,
letterbox,
letter plate,
letter hole,
deed,
mail slot, or
mailbox is a receptacle for receiving incoming
mail at a private residence or business. For the opposite purpose of collating outgoing mail, a
post box is generally used instead. Letterboxes or mailboxes consist of four primary designs:
- A slot in a wall or door through which mail is delivered (through-door delivery)
- A box attached directly to the house (door-to-door delivery)
- A box mounted at or near the street (curbside delivery)
- A centralised mail delivery station consisting of individual mailboxes for an entire building
- A centralised mail delivery station consisting of individual mailboxes for multiple recipients at multiple addresses in a particular neighborhood or community