RFC 4406 · HISTORIC · 2006

Sender ID: Authenticating E-Mail

Overview

RFC 4406, “Sender ID: Authenticating E-Mail”, is a Historic document published in April 2006 by J. Lyon, M. Wong. The canonical text is published by the RFC Editor.

Abstract

Internet mail suffers from the fact that much unwanted mail is sent using spoofed addresses -- "spoofed" in this case means that the address is used without the permission of the domain owner. This document describes a family of tests by which SMTP servers can determine whether an e-mail address in a received message was used with the permission of the owner of the domain contained in that e-mail address. This memo defines an Experimental Protocol for the Internet community.

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

What “Historic” means

A specification that has been superseded or is otherwise no longer recommended for use.

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The canonical text of RFC 4406 is hosted at rfc-editor.org. Available in TXT,HTML.

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