RFC 6647-2012
Email Greylisting: An Applicability Statement for SMTP

Standard No.

RFC 6647-2012

Release Date

2012

Published By

IETF - Internet Engineering Task Force

Latest

RFC 6647-2012

Scope

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.

RFC 6647-2012 history

• 2012 RFC 6647-2012 Email Greylisting: An Applicability Statement for SMTP