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PidTagOriginalSenderSearchKey Canonical Property

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Contains the search key for the sender of the first version of a message, that is, the message before being forwarded or replied to.

Associated properties:

PR_ORIGINAL_SENDER_SEARCH_KEY

Identifier:

0x005C

Data type:

PT_BINARY

Area:

General messaging

This property is one of the address properties for the original sender of a message. At first submission of the message, the client application should set this property to the value of the PR_SENDER_SEARCH_KEY (PidTagSenderSearchKey) property. It is never changed when the message is forwarded or replied to.

Protocol Specifications

[MS-OXPROPS]

Provides references to related Exchange Server protocol specifications.

[MS-OXOMSG]

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

Header Files

Mapidefs.h

Provides data type definitions.

Mapitags.h

Contains definitions of properties listed as alternate names.

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