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Re: [ietf-smtp] Error in RFC 5321 concerning SPF and DKIM

2014-07-22 09:07:10
On Mon 21/Jul/2014 16:14:57 +0200 MH Michael Hammer (5304) wrote:
From: ietf-smtp On Behalf Of Dave Crocker

    This specification does not deal with the verification of return
    paths for use in delivery notifications. A server MAY attempt to
    verify the return path before using its address for delivery
    notifications, but methods of doing so are not defined here nor is
    any particular method recommended at this time.

    Various mechanisms exist for verifying identities of different
    actors involved with the handling a message, including TLS[], SPF
    [29] and DKIM [30] [31], OpenPGP, S/MIME.

[...] this is the best proposal I've seen so far.

+1, for the sake of inter-domain notifications.


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