We'll have to disagree on this, because given non-conformant
(with RFC5322 Section 2.1.1) input we're free to do whatever
is reasonably pragmatic and yields a conformant message for
delivery to the next hop. Perhaps not surprisingly, users
preferred delivery over bounces.
> On Jan 16, 2020, at 4:30 PM, John C Klensin <john-ietf@???> wrote:
>
> Of course, Postfix is out of conformance with the standard and,
> maybe more important, breaking any signatures over the message
> body text, by doing this. Basically you can't win.
If a message does not conform to RFC5322, its signature can't be
expected to validate.
--
Viktor.
