Re: [ietf-smtp] Email explained from first principles

On 2021-05-23 14:15:47 +0200, Kaspar Etter wrote:
> 2. List-Name header field: Mailing lists shouldn’t rewrite the messages of
> others and break DKIM signatures in the process. Since my email address was
> rewritten due to my domain policy, I didn’t receive some of the replies to my
> original message because I didn’t subscribe to this mailing list immediately.
> The List-Unsubscribe header field makes it unnecessary to include an
> unsubscribe footer in forwarded messages.
Not really, because many MUAs don't support the List-Unsubscribe header.
So for the benefit of the users of those MUAs it still makes to include
such a footer. 

> A new List-Name header field would make it unnecessary to prefix the
> Subject with the name of the list.
Same problem. Technically the prefix in the subject is already
unnecessary. We have List-Id header which the MUA could use to filter
messages, rewrite the subject, display an avatar or whatever. But most
don't, so mailing-list administrators fall back to rewriting the
subject. I doubt a new List-Name header field would change that.

        hp

-- 
   _  | Peter J. Holzer    | Story must make more sense than reality.
|_|_) |                    |
| |   | hjp(_at_)hjp(_dot_)at         |    -- Charles Stross, "Creative writing
__/   | http://www.hjp.at/ |       challenge!"

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