Published: July 16, 2012
Contains an X.400 message transport system (MTS) entry identifier.
The MTSID structure is used only for X.400 mappings of MAPI entry identifiers. It corresponds to the MAPI FLATENTRY structure.
An MTS identifier has the same format as a MAPI entry identifier or a binary property value. MTS identifiers can be particularly useful for canceling deferred messages.