Mailbox may refer to: *

Letter box A letter box, letterbox, letter plate, letter hole, mail slot or mailbox is a receptacle for receiving incoming mail at a private residence or business. For outgoing mail, Post boxes are often used for depositing the mail for collection, althou ...

(also known as a letter plate, letter hole, deed or mail slot), a private receptacle for ''incoming'' mail *

Post box A post box (British English; also written postbox; also known as pillar box), also known as a collection box, mailbox, letter box or drop box (American English) is a physical box into which members of the public can deposit outgoing mail inten ...

(also known as a drop box), a public receptacle for ''outgoing'' mail **

Pillar box A pillar box is a type of free-standing post box. They are found in the United Kingdom and British overseas territories, and, less commonly, in many members of the Commonwealth of Nations such as Cyprus, India, Gibraltar, Hong Kong, Malta, New Z ...

, a freestanding post box in the United Kingdom and the Commonwealth *

Email box A mailboxISO/IEC 2382:2015 (also electronic mailbox, email box, email mailbox, e-mailbox) is the destination to which electronic mail messages are delivered. It is the equivalent of a letter box in the postal system. Definitions A mailbox is ident ...

, a destination for electronic messages * Mailbox (application), email management software for mobile devices * Mailbox Birmingham, a retail complex in Birmingham, England * ''The Mailbox'' (film), a short movie by the Church of Jesus Christ of Latter-day Saints *

Message queue In computer science, message queues and mailboxes are software-engineering components typically used for inter-process communication (IPC), or for inter- thread communication within the same process. They use a queue for messaging – the ...

, a means of interprocess communication in software engineering *

Pigeon-hole messagebox A pigeon-hole messagebox (commonly referred to as a ''pigeon-hole'' or ''pidge'', a '' cubbyhole'' (often shortened to "cubby") or simply as a ''mailbox'' in some academic or office settings) is an internal mail system commonly used for communi ...

, also known as a cubbyhole, pigeon-hole or pidge * a square-centric method of addressing a game board in game playing computer automatons - see Board representation (computer chess)

See also