Understanding Server Publishing
In Forefront TMG, to publish a server means to make a non–Web server on your internal network available from the Internet. For example, by publishing an FTP server that is hosted on your internal network, you can make that FTP server accessible to external users.
Server publishing is made possible through the use of server publishing rules. Like Web publishing rules, server publishing rules route to an internal server any requests for specific services that are received by the external interface of the Security Server.
By default, only one server publishing rule is created by Windows EBS. This rule, named "Allow incoming e-mail by publishing SMTP mail server" allows e-mail to be sent from the Internet to the Microsoft ...
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