Look up mailbox in Wiktionary, the free dictionary.

Mailbox may refer to:

• Letter box, a physical box or slot for incoming mail
• Post box, a physical box for outgoing mail
• Pigeonhole messagebox, e.g. a teacher's "mailbox"
• Email Mailbox or Voicemail mailbox
• Mailbox (computing), a kind of message queue
• The Mailbox, an office, shop and restaurant building in Birmingham, England
• Prop-wash diverter, a device used in underwater archaeology

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