You can use the AddressEntry.Fields(PR_SMTP_ADDRESS) method where PR_SMTP_ADDRESS is 0x39FE001E. Here are two examples of it: ' MAPI property tag for SMTP address ' Get first message from inbox Set objFolder = objSession.Inbox Set objMessages = objFolder.Messages Set objMessage...

If you were targeting office 2003 clients, you can download the Office 2003 primary interop libraries here: http://www.microsoft.com/downloads/details.aspx?familyid=3c9a983a-ac14-4125-8ba0-d36d67e0f4ad&displaylang=en This will allow your application to communicate with the Outlook object...