Thats what I am using to read e-mail using C#:
outLookApp.NewMailEx += new ApplicationEvents_11_NewMailExEventHandler(outLookApp_NewMailEx); Outl
Use a MAPI client to retrieve the emails and a MIME decoder to read them. Both exists in the lumisoft framework:
http://www.lumisoft.ee/lswww/download/downloads/Net/