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PidTagReadReceiptSearchKey Canonical Property

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Contains a search key for the messaging user to which the messaging system should direct a read report for a message.

Associated properties:




Data type:



MAPI envelope

This property is ignored unless the PR_READ_RECEIPT_REQUESTED (PidTagReadReceiptRequested) property is set to TRUE.

If a client application wants to receive read reports itself, it can leave this property unset or set it to the search key contained in the PR_SENDER_SEARCH_KEY (PidTagSenderSearchKey) property at message submission time.

Protocol Specifications


Provides references to related Exchange Server protocol specifications.


Specifies the properties and operations that are permissible on e-mail messages.

Header Files


Provides data type definitions.


Contains definitions of properties listed as alternate names.