{
  "draft": "draft-ietf-appsawg-greylisting-09",
  "doc_id": "RFC6647",
  "title": "Email Greylisting: An Applicability Statement for SMTP",
  "authors": [
    "M. Kucherawy",
    "D. Crocker"
  ],
  "format": [
    "TEXT",
    "HTML"
  ],
  "page_count": "17",
  "pub_status": "PROPOSED STANDARD",
  "status": "PROPOSED STANDARD",
  "source": "ART Area General Applications Working Group",
  "abstract": "This document describes the art of email greylisting, the practice of providing temporarily degraded service to unknown email clients as an anti-abuse mechanism.\n\n Greylisting is an established mechanism deemed essential to the repertoire of current anti-abuse email filtering systems. [STANDARDS-TRACK]",
  "pub_date": "June 2012",
  "keywords": [
    "Email",
    "Greylisting",
    "Spam"
  ],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [],
  "see_also": [],
  "doi": "10.17487/RFC6647",
  "errata_url": null
}