Configuring SMTP Policies to Control Outbound Mail Formatting and Automatic Responses


Topic Last Modified: 2005-04-21

You can use Internet message formats to define SMTP policies that control the format of messages that are sent to the Internet, or to specific external SMTP domains. These policies also control what types of automatic responses, such as out-of-office notifications, can be sent to Internet domains from users in your organization.

For each domain that is defined in Internet Message Formats, you can set the following properties:

  • Message formatting options that determine how messages sent to this domain are encoded, and the language character set is used to display these messages.

  • Advanced options that determine when messages are sent in Exchange RTF, how text is formatted, and what types of automatic responses, such as non-delivery reports (NDRs) or out-of-office notifications, are sent to this domain.

    Do not send mail exclusively in RTF because many non-Microsoft mail servers cannot read rich-text messages. Servers that cannot read rich-text messages provide their users with e-mail messages that include a Winmail.dat file attachment. To avoid this problem, make sure that your message settings do not use Exchange RTF exclusively.

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