- a box or compartment into which mail is put when delivered, as at one's home
- a box, as on a street corner, into which mail is put for collection
- Comput. the part of an electronic mail system that stores incoming messages for a particular user
- A public container for deposit of outgoing mail. Also called postbox .
- A private box for incoming mail. Also called letterbox .
- A computer file or set of files for the collection and storage of email.
mailbox - Computer Definition
A partition of computer memory designated for the temporary storage of messages intended for an individual, department, company, or other authorized user entity. Mailboxes can be associated with e-mail, facsimile mail, or voice mail systems.
A simulated mailbox in the computer that holds e-mail messages. Mailboxes are stored on disk as a file of messages, a database of messages or as an individual file for each message. The standard mailboxes are usually In, Out, Trash and Junk (Spam). Users typically can create their own mailboxes for saving messages for archival purposes. See spam folder and catch-all mailbox.