message/disposition-notification媒体型

History

Time	Change
2009-03-21 09:48:09+00:00	Created
2009-03-21 09:48:09+00:00	Associated with 964
2016-07-17 05:58:08+00:00	Disassociated from 964
2016-07-17 05:58:20+00:00	Associated with 550