2.1.3.2.17 Classification Properties

To generate headers related to message classification, clients both set the value of the PidLidClassified property ([MS-OXCMSG] section 2.2.1.25) to TRUE and set the values of the following properties: PidLidClassification ([MS-OXCMSG] section 2.2.1.23), PidLidClassificationDescription ([MS-OXCMSG] section 2.2.1.24), PidLidClassificationGuid ([MS-OXPROPS] section 2.54), and PidLidClassificationKeep ([MS-OXPROPS] section 2.55).

When the value of the PidLidClassified property is TRUE, MIME writers SHOULD<43> copy all classification property values to their corresponding headers, as specified in the following table. If the value of PidLidClassified is FALSE, no value is written for any of the five headers listed in the following table.