A new Request for Comments is now available in online RFC libraries.
RFC 6647
Title: Email Greylisting: An Applicability Statement
for SMTP
Author: M. Kucherawy, D. Crocker
Status: Standards Track
Stream: IETF
Date: June 2012
Mailbox: superuser@gmail.com,
dcrocker@bbiw.net
Pages: 17
Characters: 38097
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-appsawg-greylisting-09.txt
URL: http://www.rfc-editor.org/rfc/rfc6647.txt
This document describes the art of email greylisting, the practice of
providing temporarily degraded service to unknown email clients as an
anti-abuse mechanism.
Greylisting is an established mechanism deemed essential to the
repertoire of current anti-abuse email filtering systems.
[STANDARDS-TRACK]
This document is a product of the Applications Area Working Group Working Group of the IETF.
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements. Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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