Case 1 : Parse Gmail Using POP3(SSL and non-SSL) :
follow the direction on this link :
http://www.codeproject.com/KB/applications/ReadGmailInboxMessage.aspx
Case 2 : Parse Gmail Using IMAP4(for both ssl and non-ssl) :
follow the direction on this link:
http://hellowebapps.com/products/imapx/
Case 3: Parse Email from Microsoft Exchange Server
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=13480
http://social.technet.microsoft.com/Forums/en-US/exchangesvrdevelopment/thread/a0fe7163-adcd-4fd6-94f1-065ee18135da/ (getting actual messages)
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