In article <c7e3f8c4-d397-e413-56d2-f9fa34950...@bluepopcorn.net> you write:
>-=-=-=-=-=-
>
>On 7/11/18 5:15 PM, Brandon Long wrote:
>So essentially we're creating a bunch of header bloat (creating 
>duplicate header fields with different names where that could be 
>avoided) because there are some MTAs that did not follow the 
>specifications before.

Not really.  Removing A-R headers and DKIM signatures that you know
you've broken is perfectly legit.

>While that was ~14 years ago and storage is 
>cheaper now, we're talking about a lot more space than just a public key.

The header bloat war was over years ago, and bloat won.  See the
headers below from a Hotmail message I just sent to myself.  And
remember that most messages have two copies of the contents, one as
text and one as overformatted HTML.

R's,
John

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