{
  "draft": "draft-ietf-spfbis-4408bis-21",
  "doc_id": "RFC7208",
  "title": "Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1",
  "authors": [
    "S. Kitterman"
  ],
  "format": [
    "TEXT",
    "HTML"
  ],
  "page_count": "64",
  "pub_status": "PROPOSED STANDARD",
  "status": "PROPOSED STANDARD",
  "source": "SPF Update",
  "abstract": "Email on the Internet can be forged in a number of ways. In particular, existing protocols place no restriction on what a sending host can use as the \"MAIL FROM\" of a message or the domain given on the SMTP HELO/EHLO commands. This document describes version 1 of the Sender Policy Framework (SPF) protocol, whereby ADministrative Management Domains (ADMDs) can explicitly authorize the hosts that are allowed to use their domain names, and a receiving host can check such authorization.\n\n This document obsoletes RFC 4408.",
  "pub_date": "April 2014",
  "keywords": [
    "spoofing",
    "spf",
    "anti-forgery",
    "authentication"
  ],
  "obsoletes": [
    "RFC4408"
  ],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [
    "RFC7372",
    "RFC8553",
    "RFC8616"
  ],
  "see_also": [],
  "doi": "10.17487/RFC7208",
  "errata_url": "https://www.rfc-editor.org/errata/rfc7208"
}