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mail relay
Last modified: Tuesday, December 02, 2003 

Often referred to as an e-mail server, a device and/or program that routes an e-mail to the correct destination. Mail relays are typically used within local networks to transmit e-mails among local users. (For example, all of the student and faculty e-mail of a college campus.) Mail relays are particularly useful in e-mail aliasing where multiple e-mail addresses are used but the mail relay forwards all messages to the specified e-mail addresses to one single address.

A mail relay is different than an open relay, where an e-mail server processes a mail message that that neither originates or ends with a user that is within the server’s local domain (i.e., local IP range).

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For internet.com pages about mail relay . Also check out the following links!

Related Links

What is Third-Party Mail Relay?
This document is an introduction to the third-party mail relay problem.

related categories

Electronic Mail

related terms

e-mail

e-mail address

e-mail aliasing

e-mail client

e-mail spoofing

open relay


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