Noel Butler via Postfix-users skrev den 2023-11-05 04:53:
On 03/11/2023 10:22, Steffen Nurpmeso via Postfix-users wrote:
- SPF breaks all hosts which have users that effectively want
their email to be forwarded to a different address.
This is basically any campus, and much, much more.
FUD... why do people rely on 15+ years old problems to back their
argument.
becurse we can :=)
If correctly forwarded it does not break SPF, since correctly
forwarding rewrites the sender, I was an early adopter of SPF and
always used hard-fail, no lists have rejected my posts from SPF (trust
me, if they did, I sure as hell still wouldn't be using -all), I have
also applied the same in $dayjob over all these years, so I'd be the
first to know if it was still a problem.
spf is only a problem if we want dmarc aligment, its not really a spf
problem as you describe above, i just wish more knows this details
DKIM, was a problem, but for several years now mailman can do the
right thing by stripping out the original DKIM headers and rewrites
sender (although you need to know where to add the former) - but only
if the admins set those settings (its more a mailman problem for not
enabling them by default)
fud as you self write above on spf, if mailman did not break dkim,
problem would be gone, but mailman breaks last 15+ years dkim, so all
kind of fixup is needed to allow dkim to pass later, i dont get it, it
worked on cloud9, no ?
Regards,
Noel Butler
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oversize signature on public maillist, this is not fud
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