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PidLidValidFlagStringProof Canonical Property

Last modified: July 23, 2011

Applies to: Outlook

Validates whether the dispidRequest (PidLidFlagRequest) property’s value was set by an agent who knew the value of the PR_MESSAGE_DELIVERY_TIME (PidTagMessageDeliveryTime) property.

Associated properties:

dispidValidFlagStringProof

Property set:

PSETID_Common

Long ID (LID):

0x000085BF

Data type:

PT_SYSTIME

Area:

Task

On non-sendable objects (received mail and non-mail objects), clients should set this value to the value of PR_MESSAGE_DELIVERY_TIME when modifying dispidRequest.

Since the value of PR_MESSAGE_DELIVERY_TIME cannot be predicted by the sender, if the value of this property is equal to the value of PR_MESSAGE_DELIVERY_TIME, it is reasonably certain that the value of dispidRequest did not originate from the sender of the message. A client can decide how to present the value of dispidRequest to the end user based on the result of this comparison in accordance with the specific security policy of the client. If the value of dispidRequest is ignored due to the presence of a value for dispidFlagStringEnum (PidLidFlagString), this property must be ignored.

Protocol Specifications

[MS-OXPROPS]

Provides property set definitions and references to related Exchange Server protocol specifications.

[MS-OXOFLAG]

Specifies the properties and operations related to flagging.

Header Files

Mapidefs.h

Provides data type definitions.

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