message/CPIMmessage/Namemessage/delivery-statusmessage/disposition-notificationmessage/examplemessage/external-bodymessage/feedback-reportmessage/globalmessage/global-delivery-statusmessage/global-disposition-notificationmessage/global-headersmessage/httpmessage/imdn+xmlmessage/news - OBSOLETED by RFC5537message/partialmessage/rfc822message/s-httpmessage/sipmessage/sipfragmessage/tracking-statusmessage/vnd.si.simp - OBSOLETED by requestmessage/vnd.wfa.wsc