BizTerm Definition
SMTP (Simple Mail Transfer Protocol)
Full Definition

The main protocol used to send electronic mail on the Internet. SMTP consists of a set of rules for how a program sending mail and a program receiving mail should interact. Almost all Internet email is sent and received by clients and servers using SMTP, thus if one wanted to set up an email server on the Internet one would look for email server software that supports SMTP. See Also: Client , Server

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