A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : DKIM Third-Party Authorization Label
Author(s) : D. Otis
Filename : draft-otis-dkim-tpa-label-01.txt
Pages : 18
Date : 2009-10-08
TPA-Label is a DNS-based prefix mechanism for DKIM policy related
records as a means to authorize Third-Party domains, such as mailing-
lists. This mechanism allows first-party domains to autonomously
authorize a range of third-party domains using scalable, individual
DNS transactions. This authorization extends the scope of DKIM
policy assertions as a means to supplant more difficult to administer
mechanisms. Alternatives for facilitating third-party authorizations
currently necessitate the coordination between two or more domains to
synchronously set up selector/key DNS records, DNS zone delegations,
and/or the regular exchange of public/private keys.
Checking DKIM policies may occur when a From header email-address is
not within the domain of a valid DKIM signature. When a Third-Party
signature is found, TPA-Label transactions offer an efficient means
for Author Domains to authorize specific third-party signing domains.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-otis-dkim-tpa-label-01.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
Below is the data which will enable a MIME compliant mail reader
implementation to automatically retrieve the ASCII version of the
Internet-Draft.
- <ftp://ftp.ietf.org/internet-drafts/draft-otis-dkim-tpa-label-01.txt>
-
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