2.2.2.34 PidTagRemoteMessageTransferAgent Property
Type: PtypString ([MS-OXCDATA] section 2.11.1)
The PidTagRemoteMessageTransferAgent property ([MS-OXPROPS] section 2.914) contains the name of the server that reported delivery status that resulted in a delivery receipt or non-delivery report. The value of this property corresponds to the value of the Remote-MTA header, as specified in [RFC3464].