HOW TO: Configure Exchange 2007 and Exchange 2010 for using Impersonation
Exchange 2010:
Configuring Exchange Impersonation (Exchange Web Services)
https://msdn.microsoft.com/en-us/library/bb204095.aspx
Using Exchange Impersonation XML Request/Response
https://msdn.microsoft.com/en-us/library/bb204088.aspx
Using Impersonation in EWS Managed API
https://msdn.microsoft.com/en-us/library/dd633680(EXCHG.80).aspx
Exchange 2007:
Configuring Exchange Impersonation (Exchange Web Services)
https://msdn.microsoft.com/en-us/library/bb204095(EXCHG.80).aspx
Using Exchange Impersonation (Exchange Web Services)
https://msdn.microsoft.com/en-us/library/bb204088(EXCHG.80).aspx
ExchangeServiceBinding Class – Code Sample
https://msdn.microsoft.com/en-us/library/exchangewebservices.exchangeservicebinding.aspx
Enjoy!