Re: [ietf-smtp] Appeal to Authority (was: Re: Fwd: New Version Notificat

On Thu, 05 Aug 2021 11:33:30 -0700, Dave Crocker said:
> On 8/4/2021 8:41 PM, John Levine wrote:
> > I still don't see any reason to claim this is an experiment. We have
> > 20 years of experience with Delivered-To. It seenm unlikely that
> > anyone plans to change the way they do or do not add the header at
> > this point.
> >
> > Once again, a survey of existing practice could be useful.
> You are persisting in your attempt to avoid the use of detailed
> technical information.
[~/Mail] find . -type f -mtime +7300 -name '[0-9]*' | tee /tmp/over20 | xargs 
grep -i ^Delivered-to: > /tmp/deliveries
[~/Mail] wc /tmp/over20
 35421  35421 507694 /tmp/over20
[~/Mail] wc /tmp/deliveries
 13694  31246 801887 /tmp/deliveries

So literally *last century* 40% of the mail I kept around arrived with a
Delivered-To: tag.  None were local deliveries in my mailbox, and the vast
majority were various mailing lists (9,759 were various SecurityFocus lists,
2,306 from the NANOG list, and 1,629 from a total of 54 different sources
from literally every continent.

Now can we get rid of the "We don't have detailed technical information"
straw man to avoid admitting that this tag has been around for an
Internet-archaeological amount of time?

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