Hi Peter, thanks for the review.  Comments inline:

On Sun, Jul 7, 2013 at 10:38 PM, Peter Yee <pe...@akayla.com> wrote:

> Page 5, 2nd paragraph after bullet item, 1st sentence: change
> "pre-standards
> DomainKeys defined" to "pre-standard DomainKeys-defined".
>

This doesn't seem to work.  The sentence is basically "SPF defined X and
DomainKeys defined Y."  "defined" is a verb, not an adjective, so I don't
think the hyphen is appropriate.


>
> Page 20, 5th full paragraph, 3rd sentence: regarding whether the field can
> be "trusted": why would the MUA check the field in any other location than
> prior to the top-most trace field?  If the location is the source of
> trustedness, then the MUA shouldn't be checking it anywhere else, right?
>

At the time the work on RFC5451 was originally done, here were some
implementations of a plugin API that were not able to prepend trace header
fields, and could only append them.  Moreover, an MUA or other agent might
be configured to trust A-R fields added in more than one place (e.g., a
trusted filter), so trusting only the top-most one would limit that
possibility.


>
> Page 23, 4th paragraph:  as the MTA (implied to be an MTA within the ADMD)
> is not the end consumer of the information and the MUA might understand a
> later version of the header, shouldn't the decision to remove (or
> essentially ignore) the header be made by the MUA?
>

Good point.  I'll add a note about this.


>
> Page 32, section 8.6, 3rd sentence: regarding keeping the list "current",
> how about using a new RRType in the DNS?
>

That's certainly one option to solve that problem. However, I'd prefer not
to suggest new mechanisms that haven't been deployed yet.

I'll post the rest in a -10 revision after the telechat, or if directed to
do so sooner.

Thanks again,
-MSK

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