{
  "draft": "draft-lyon-senderid-core-01",
  "doc_id": "RFC4406",
  "title": "Sender ID: Authenticating E-Mail",
  "authors": [
    "J. Lyon",
    "M. Wong"
  ],
  "format": [
    "TEXT",
    "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 using spoofed addresses -- \"spoofed\" in this case means that the address is used without the permission of the domain owner.  This document describes a family of tests by which SMTP servers can determine whether an e-mail address in a received message was used with the permission of the owner of the domain contained in that e-mail address.  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
}