you can do it with vba -see outlookcode.com for sample code. there are some
addins that will also look for a blank subject line.
http://www.slipstick.com/addins/mail.htm
--
Diane Poremsky [MVP - Outlook]
Author, Teach Yourself Outlook 2003 in 24 Hours
Coauthor, OneNote 2003 for Windows (Visual QuickStart Guide)
Author, Google and Other Search Engines (Visual QuickStart Guide)
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