RFC 6647 · PROPOSED STANDARD · 2012

Email Greylisting: An Applicability Statement for SMTP

Overview

RFC 6647, “Email Greylisting: An Applicability Statement for SMTP”, is a Proposed Standard document published in June 2012 by M. Kucherawy, D. Crocker. The canonical text is published by the RFC Editor.

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.

Greylisting is an established mechanism deemed essential to the repertoire of current anti-abuse email filtering systems. [STANDARDS-TRACK]

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

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Other RFCs from 2012

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