Mail Subsystem

Mail Subsystem definition - hacker
A software package responsible for receiving, delivering, and forwarding email. The mail transport protocol used throughout the Internet is the Simple Mail Transfer Protocol (SMTP). Implementations of this protocol are available from different vendors and public-domain sources. The oldest and still most popular is sendmail. Mail access from client programs such as Outlook, Outlook Express, Eudora, and others can be handled through IMAP and POP3.

See Also: Internet; Internet Mail or Message Access Protocol (IMAP); SMTP (Simple Mail Transfer Protocol).

Webster's New World Hacker Dictionary Copyright © 2006 by Bernadette Schell and Clemens Martin.
Published by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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