You will need to use Extended MAPI/CDO 1.21/Redemption to add a special
named property. See
http://www.dimastr.com/redemption/faq.htm#14
Note that you can add any header, not just the From and Sender headers.
Dmitry Streblechenko (MVP)
http://www.dimastr.com/
OutlookSpy - Outlook, CDO
and MAPI Developer Tool
> Is there a way to add a custom header in outlook 2003? I would like to
> put in a tag so that when another program reads my mail if it sees the tag
> it will be able to be routed in a specific way.