You can create a rule with an exception to handle this. See http://www.slipstick.com/rules/junkmail.htm
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Sue Mosher, Outlook MVP
Outlook and Exchange solutions at http://www.slipstick.com
Author of
Microsoft Outlook Programming: Jumpstart
for Administrators, Power Users, and Developers
You must not have read the page in full. All you have to do is create a rule with no conditions, then use an exception "except if sender is in specified Address Book."
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Sue Mosher, Outlook MVP
Outlook and Exchange solutions at http://www.slipstick.com
Author of
Microsoft Outlook Programming: Jumpstart
for Administrators, Power Users, and Developers