Sender Signing Policy Article Index for
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Information About

Sender Signing Policy




is a proposed part of the E-mail Authentication
scheme DomainKeys (now DKIM). All SSP details
are Still under discussion in the
IETF working
group DKIM.


CONCEPTS

With SSP domain owners can publish that all mails
from their domain have a corresponding DKIM
signature , this is known as strong signing
policy.

Here from refers to the RFC 2822 e-mail header
field From. The domain in a 2822-From
address is not necessarily the same as in the more
elaborated Purported Responsible Address
covered by Sender ID .

The domain in a 2822-From address is also not
necessarily the same as in the 2821-From address.
The latter is defined in RFC 2821 and also known
as SMTP MAIL FROM,
envelope-From, or Return-Path, optionally
protected by the Sender Policy Framework (SPF).


EXTERNAL LINKS

  • IETF DKIM page with early SSP draft