>I am able to send and receive email interfacing to Outlook, but I would like to set the option to request a read receipt. Actually, is there a web-site that lists all of the properties? I previously got one for Excel and it would be nce to have one for Outlook

Here is a good place to start:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbaol10/html/oltocObjectModelApplication.asp?frame=true