Remote domains
Remote domain entries define the format of messages and the types of automatic messages such as auto-replies that Exchange can send to another SMTP domain. When you install Exchange, a default “catch-all” remote domain (*) is created that is suitable for most purposes. You will only have to create a new remote domain if you know that a foreign SMTP domain has specific requirements. For example, the mail system for that domain might only be able to accept plain text messages with lines wrapped at a particular position. Alternatively, the mail system might be another Exchange 2010 organization that is able to accept any type of message that your Exchange organization generates.
To access the remote domains defined for the organization, ...
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