Futher to SGriffin's Weblog as below: http://blogs.msdn.com/stephen_griffin/archive/2007/02/09/exchange-web-services-and-internet-message-headers.aspx in order to access the body of an email message, the MAPI property PR_BODY_HTML (0x1013) could be used...

When an application is creating a CDO[6.5.6756.0] Message and inserting a BodyPart of the type GIF image , and the base64 encoded representation of the binary data is initialized to the body part as shown below: Const c_Base64Sample = "R0lGODlhEAAOAPcAAAAAAIAAAACAAICAAAAAgIAAgACAgICAgMDAwP8AAAD...

As mentioned in the http://support.microsoft.com/kb/266353 , programmatically reading MAPI properties by using APIs such as Extended MAPI the PropertyAccessor object in the Microsoft Office Outlook 2007 object model is supported. Here's how we do it in...