install an event sink on the server that stamps the address in the header.
I use the one from vamsoft.
http://www.vamsoft.com/tools.asp#smtpenvl


--
Diane Poremsky [MVP - Outlook]
Author, Teach Yourself Outlook 2003 in 24 Hours
Need Help with Common Tasks? http://www.outlook-tips.net/beginner/
Outlook 2007: http://www.slipstick.com/outlook/ol2007/

Outlook Tips by email:


Outlook Tips: http://www.outlook-tips.net/
Outlook & Exchange Solutions Center: http://www.slipstick.com
Subscribe to Exchange Messaging Outlook newsletter:



"Nick" wrote in message
...
I have a few exchange email addresses on my account. Spam level is to the
point that I want to delete the affected account. How can I tell which
address is being used?

Nick