Recommended Usage of the Authenticated Received Chain (ARC)

The information below is for an old version of the document
Document Type Expired Internet-Draft (dmarc WG)
Last updated 2016-12-27 (latest revision 2016-06-25)
Replaces draft-jones-arc-usage
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The Authentication Received Chain (ARC) provides a means to preserve email authentication results and verify the identity of email message handlers, each of which participates by inserting certain header fields before passing the message on. But the specification does not indicate how intermediaries and receivers should interpret or utilize ARC. This document will provide guidance in these areas.


Steven Jones (
John Rae-Grant (
J. Adams (
Kurt Andersen (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)