On Sun 06/Nov/2016 09:17:53 +0100 Stephen J. Turnbull wrote:
Alessandro Vesely writes:
The idea is to add a footer only in case it is not present,
Aside from the technical difficulties that Mark describes, this
suffers from a really big defect: for this to be actually useful,
you'd need near-100% participation (Authenticated Received Chain has
the same problem).
No, the difference is that ARC applies at the receiving side, so you need 100%
compliance of list subscribers. Camera-ready applies at the sending side, so
the list can still apply any anti-DMARC workarounds if it fails.
Once you've got that, no new Mailman code is needed: just don't use a footer
in the first place!
And it requires effort on the part of providers we already know are
irresponsible and inconsiderate because they provide personal mail services
disrupted by "p=reject", or on the part of users at those sites, many of
whom blame mailing lists, not their irresponsible and/or inexpert providers,
for difficulties with posting.
Yes, but then it would be less disgusting to punish users of intractable
providers.
If you don't get near 100%, then you need to provide the workarounds
for all users and originating sites that don't participate anyway, to
all of your subscribers -- and "nonparticipants" will include the
posters who are most likely to blame the lists for any delivery
problems, and get upset about "different treatment" (eg, From-
munging).
Yes, that's already in place. It is considered a somewhat dirty solution.
Camera-ready is cleaner than anything I have heard till now. Probably it is
not workable, but I cannot understand why. It works well in several publishing
environments, typically journals, which distribute templates to authors. Why
can't it work for mailing lists?
Ale
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