{"draft":"","doc_id":"RFC1893","title":" Enhanced Mail System Status Codes ","authors":["G. Vaudreuil"],"format":["ASCII","HTML"],"page_count":"15","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Notifications and Acknowledgements Requirements","abstract":" There currently is not a standard mechanism for the reporting of mail system errors except for the limited set offered by SMTP and the system specific text descriptions sent in mail messages.  There is a pressing need for a rich machine readable status code for use in delivery status notifications [DSN].  This document proposes a new set of status codes for this purpose.  [STANDARDS-TRACK]  ","pub_date":"December 1995","keywords":["EMS-CODE","simple","mail","transfer","protocol","SMTP"],"obsoletes":[],"obsoleted_by":[" RFC3463"],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC1893","errata_url":null}