EWS : Delegate Access using Exchange Web Services

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Delegate Access

Exchange 2007 enables delegates to access the mailbox of a principal and perform create/delete/update/copy/search operations using Exchange Web Services (EWS).

There are two ways we can access the contents of other users mailboxes:

  • Exchange Impersonation - Enable one account to act as another account
  • Delegate Access - Account act on behalf of the account of principal

EWS is a powerful tool for accessing other users mailboxes. Delegate access provides a convenient way for EWS clients to act on behalf of other user accounts and opens the way to create client applications that can work across mailboxes.

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