Mailbox

Mailbox may refer to:


 * Letter box (also known as a letter plate, letter hole, deed or mail slot), a private receptacle for incoming mail
 * Post box (also known as a drop box), a public receptacle for outgoing mail
 * Pillar box, a freestanding post box in the United Kingdom and the Commonwealth
 * Email box, 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, a means of interprocess communication in software engineering
 * Pigeon-hole messagebox, 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)