{"draft":"draft-ietf-msgtrk-smtpext-05","doc_id":"RFC3885","title":" SMTP Service Extension for Message Tracking ","authors":["E. Allman","T. Hansen"],"format":["ASCII","HTML"],"page_count":"9","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Message Tracking Protocol","abstract":" This memo defines an extension to the SMTP service whereby a client may mark a message for future tracking.  [STANDARDS-TRACK]","pub_date":"August 2004","keywords":["SMTP","simple mail transfer protocol"],"obsoletes":[],"obsoleted_by":[],"updates":["RFC3461"],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC3885","errata_url":null}