What is the meaning of Mailbox?

A box into which mail is placed.

  1. A collection point for mail intended for onward delivery, a secure box or receptacle for this purpose.

    A collection point for mail intended for onward delivery, a secure box or receptacle for this purpose.

    A delivery point for mail, a box, compartment or slot for this purpose.

    A folder or account for the storage of email; an electronic inbox or mailstore.

    Source: wiktionary.org