File formats:

Status:

PROPOSED STANDARD

Authors:

M. Kucherawy
D. Crocker

Stream:

IETF

Source:

appsawg (app)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC6647

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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]

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.