2.2.2.35 PidTagReportingMessageTransferAgent Property
Type: PtypString ([MS-OXCDATA] section 2.11.1)
The PidTagReportingMessageTransferAgent property ([MS-OXPROPS] section 2.924) contains the name of the server that generated the delivery receipt or non-delivery report. The value of this property corresponds to the value of the Reporting-MTA header, as specified in [RFC3464].