This Internet-Draft is no longer active. Unofficial copies of old Internet-Drafts can be found here:
http://tools.ietf.org/id/draft-kucherawy-greylisting-bcp.
Abstract:
This memo describes best current practices for the art of email
greylisting, the practice of providing temporarily degraded service
to unknown email clients as an anti-abuse mechanism.
Authors:
Murray Kucherawy <msk@cloudmark.com>
(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)