Re: [ietf-smtp] homework, not an experiment, draft-crocker-email-deliver

On Fri, Aug 06, 2021 at 01:49:44PM -0700, Dave Crocker wrote:

> Since you are promising not to repeat yourself, does that mean you might 
> finally respond to the current question about adequacy of the current 
> draft.  Ideally that would include details about concerns with the text. 
> Extra points for suggesting specific improvements.
The draft suggests an "experiment" which was conducted and concluded
two-plus decades ago.  The "Delivered-To" header has been in wide use
since it was introduced IIRC by Dan Bernstein in Qmail.

I don't understand what "experiment" can be conducted or justified at
this point.  If the draft is suggesting repurposing or extending the
existing uses of the header, what justifies such repurposing or extended
use?  If it is proposing no changes, how is it an experiment?

Who benefits from the experiment?  Does the benefit exceed the cost?

-- 
    VIktor.

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