2.2.1.79 PidTagMessageSubmissionId Property

Type: PtypBinary ([MS-OXCDATA] section 2.11.1)

The PidTagMessageSubmissionId property ([MS-OXPROPS] section 2.795) contains a unique identifier that indicates where the message originated. This property is optionally set, at the implementer's discretion, by a message transfer agent (MTA).