This cmdlet lets you create new customized DSN and quota messages. DSN messages are issued to the sender of e-mail messages that have not reached their intended recipients. Quota messages are issued to users whose mailboxes or public folders have reached the specific warning, prohibit send, or prohibit receive quotas. Customized DSN and quota messages replace the built-in DSN or quota messages included with Exchange Server.
The following list describes the error conditions that trigger DSN messages that have a delivery status of persistent temporary failure and permanent failure.
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4.X.X. DSN messages This type of DSN message is generated when there is a temporary problem with the recipient's mailbox or server. Such problems typically resolve themselves eventually and allow for successful delivery of the e-mail message. An example of a 4.X.X. persistent temporary failure problem is a server that has gone offline and cannot be reached.
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5.X.X. DSN messages This type of DSN message is generated when a permanent or fatal error occurs with the recipient's mailbox or server. Such errors cannot be overcome by the sending mail server and therefore, the e-mail message is returned to the sender. An example of a 5.X.X. permanent failure error is a nonexistent SMTP address.
To run the New-SystemMessage cmdlet, the account you use must be delegated the following:
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Exchange Organization Administrator role
To run the New-SystemMessage cmdlet on a computer that has the Edge Transport server role installed, you must log on by using an account that is a member of the local Administrators group on that computer.
For more information about permissions, delegating roles, and the rights that are required to administer Exchange 2007, see Permission Considerations.