MDNReceiptMessageId Property
The Id of the MDN message.
Data Type
StringDefault Value
""Remarks
In the Send Connector, this property refers to the MDN receipt after it is received by the server.
In the Receive Connector, this property refers to the MDN receipt that is generated by the connector and delivered to the sender.
This value can be used to identify the MDN. The Id format is as in RFC 2822: id-left@id-right.