On 10/29/2020 10:49 PM, Pete Resnick wrote:
it reuses existing pieces of infrastructure that seem to fit this use,
Except that, really, this use is semantically quite different from the
intended use of MDN (RFC 8098):
"...used by a Mail User
Agent (MUA) or electronic mail gateway to report the disposition of a
message after it has been successfully delivered to a recipient."
The goal of indicating a recipient's reaction is quite different from
indicating disposition of a message. The term "laying violation" comes
to mind, in spite of this not quite being a matter of layers.
In structural terms, the MDN is also a more constrained environment than
a general email message. Hence, using it for reactions limits the
context for including reactions.
Adding the ability to have a reply message include content tagged as a
reaction adds to the semantics of email exchange.
Having a message designed for signaling information, about message
handling, be modified to include end-user reactions distorts its
original purpose and limits the added function.
d/
--
Dave Crocker
Brandenburg InternetWorking
bbiw.net
_______________________________________________
ietf-822 mailing list
ietf-822(_at_)ietf(_dot_)org
https://www.ietf.org/mailman/listinfo/ietf-822