{"draft":"draft-lyon-senderid-core-01","doc_id":"RFC4406","title":"Sender ID: Authenticating E-Mail","authors":["J. Lyon","M. Wong"],"format":["ASCII","HTML"],"page_count":"19","pub_status":"EXPERIMENTAL","status":"HISTORIC","source":"IETF - NON WORKING GROUP","abstract":"Internet mail suffers from the fact that much unwanted mail is sent\r\nusing spoofed addresses -- \"spoofed\" in this case means that the address\r\nis used without the permission of the domain owner.  This document\r\ndescribes a family of tests by which SMTP servers can determine\r\nwhether an e-mail address in a received message was used with the\r\npermission of the owner of the domain contained in that e-mail\r\naddress.  This memo defines an Experimental Protocol for the Internet community.","pub_date":"April 2006","keywords":["simple mail transfer protocol","spam","spoofing"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4406","errata_url":null}