mail exchanger

Computing Dictionary

mail exchanger definition

messaging
A server running SMTP Message Transfer Agent software that accepts incoming electronic mail and either delivers it locally or forwards it to another server. The mail exchanger to use for a given domain can be discovered by querying DNS for Mail Exchange Records.
(2007-01-29)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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