On 2024-06-23 at 17:15:33 UTC-0400 (Sun, 23 Jun 2024 23:15:33 +0200)
Jaroslaw Rafa via Postfix-users <r...@rafa.eu.org>
is rumored to have said:

The forwarding issue is easily solvable. It's only the unwillingness of
mainstream email providers to solve it.

That implies a definition of "easily" that somehow includes "essentially impossible."

It is logically simple. It is practically imaginary.

A very different option *which is also never going to happen* but which is conceivably in the hands of sending domain owners would be to implement per-user SPF and provide users with the tools to define their own records. This will not happen in part for the same reasons the behemoths won't solve it: non-trivial implementation and ongoing support costs without tangible return on investment.

--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo@toad.social and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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