things that are supposed to help peek back and see what the original
message said.  Other things that immediately come to mind:

- wrap messages, like a single message digest

- DKIM unmunging hints like Ale has proposed

All of these share the characteristic that to be useful, they require
MUAs to do things they do not do now, so I don't see much reason to
put a lot of effort into any of them unless we see interest from

Language like 'wrap messages' typically means making the content inaccessible except to a recipient that supports the wrapping mechanism.

I meant message/rfc822 MIME parts. I agree that some MUAs support them better than others, despite them having been standardized 25 years ago.

  Saying 'message digest' typically means a hash

No, I mean like a mailing list digest, you know, the one daily message with all of the day's messages as message/rfc822 MIME parts. Same 25 years, same so-so support.

Changing DKIM is an infrastructure change, since it involves components in the handling stream, rather than just the MUA.

That too, but if you want to recover the original unmunged message so you know who to reply to, that involves the MUA.

The Author field is a pure, incremental value-add.  It only requires MUA support, ...

Well, yeah, just like the other two.  I don't understand the point here.

Regards,
John Levine, [email protected], Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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