mail user agent


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mail user agent

(messaging)
(MUA) The program that allows the user to compose and read electronic mail messages. The MUA provides the interface between the user and the Message Transfer Agent. Outgoing mail is eventually handed over to an MTA for delivery while the incoming messages are picked up from where the MTA left it (although MUA's running on single-user machines may pick up mail using POP).

Popular MUAs for Unix include elm, mush, pine, and RMAIL.

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References in periodicals archive ?
The Boldon James Enterprise Mail User Agent will be supported by
Encryption is accomplished through a standard S/MIME public key infrastructure (PKI) and is fully compatible with most mail user agents, including Microsoft Outlook and Outlook Express, Mozilla Thunderbird, Microsoft Entourage, and many others.
Messaging systems are comprised of Mail User Agents (MUAs), which send and request mail from users to their designated mail server, and Mail Transfer Agents (MTAs), which deliver mail to and from the various servers on a network.