OID value: 1.3.26.0.4406.0.7.9
OID description:
The MM-Message body part will be used to convey
a Militray Message that has been forwarded by an MM-UA.
The MM-Message body part will contain the original contents.
In the case of an encrypted message, the message will be decrypted prior
to forwarding the meesage.
See also the OID Repository website reference for 1.3.26.0.4406.0.7.9