A new Request for Comments is now available in online RFC libraries.
RFC 4408
Title: Sender Policy Framework (SPF) for
Authorizing Use of Domains in E-Mail,
Version 1
Author: M. Wong, W. Schlitt
Status: Experimental
Date: April 2006
Mailbox: [EMAIL PROTECTED],
[EMAIL PROTECTED]
Pages: 48
Characters: 105009
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-schlitt-spf-classic-02.txt
URL: http://www.rfc-editor.org/rfc/rfc4408.txt
E-mail on the Internet can be forged in a number of ways. In
particular, existing protocols place no restriction on what a sending
host can use as the reverse-path of a message or the domain given on
the SMTP HELO/EHLO commands. This document describes version 1 of
the ender Policy Framework (SPF) protocol, whereby a domain may
explicitly authorize the hosts that are allowed to use its domain
name, and a receiving host may check such authorization. This memo defines an
Experimental Protocol for the Internet community.
EXPERIMENTAL: This memo defines an Experimental Protocol for the Internet
community. It does not specify an Internet standard of any kind.
Discussion and suggestions for improvement are requested. Distribution
of this memo is unlimited.
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Authors, for further information.
Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute
...
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