3.1.3 Initialization

Before matching the PidNamePhishingStamp property (section 2.2.1.1) on the message, as specified in section 3.1.4.2, the existence of the fifth value of PidTagAdditionalRenEntryIds ([MS-OXPROPS] section 2.509) MUST be ensured. If it is not present, the value MUST be created, as specified in [MS-OXCSPAM] section 3.2.4.1.2.