{"draft":"draft-katz-submitter-01","doc_id":"RFC4405","title":"SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message","authors":["E. Allman","H. Katz"],"format":["ASCII","HTML"],"page_count":"14","pub_status":"EXPERIMENTAL","status":"HISTORIC","source":"IETF - NON WORKING GROUP","abstract":"This memo defines an extension to the Simple Mail Transfer Protocol\r\n(SMTP) service that allows an SMTP client to specify the\r\nresponsible submitter of an e-mail message.  The responsible\r\nsubmitter is the e-mail address of the entity most recently\r\nresponsible for introducing a message into the transport stream.\r\nThis extension helps receiving e-mail servers efficiently determine\r\nwhether the SMTP client is authorized to transmit mail on behalf of\r\nthe responsible submitter's domain.  This memo defines an Experimental Protocol for the Internet community.","pub_date":"April 2006","keywords":["spam","spoofing","phishing"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4405","errata_url":null}