Found a link...
http://support.microsoft.com/?kbid=262352

bsimecek wrote:
What is required to enable the exchange server to send out of office replys
to email from outside?
Is it a setting in outlook that is configurable or on the exchange server?

The Out of Office can be configured with any message you wish. It will
reply only to internal addresses by default if the Exchange server is set to
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| Thanks
| Mike