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2007 Microsoft® Office System Inside Out by Microsoft Corporation

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Understanding Messaging Protocols

A messaging protocol is a mechanism that messaging servers and applications use to transfer messages. Being able to use a specific e-mail service requires that your application support the same protocols the server uses. To configure Outlook 2007 as a messaging client, you need to understand the various protocols supported by Outlook 2007 and the types of servers that employ each type. The following sections provide an overview of these protocols.

SMTP/POP3

Simple Mail Transport Protocol (SMTP) is a standards-based protocol used for transferring messages and is the primary mechanism that Internet-based and intranet-based e-mail servers use to transfer messages. It’s also the mechanism that Outlook 2007 uses to connect ...

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