On 2021-10-07 15:38, Scott Kitterman wrote:
I'm out of time, but something like that which defines the solution space rather then trying to specify THE solution is probably the only path forward.
maillists can dmarc reject posters that use dmarc reject policy or quarantine, problem solved downstream
for postfix there is a nice smtpd_milter_maps so maillists ips is not dkim/arc/dmarc rejected at all
i pick my games, but if maillists stops dkim sign non orginating mails 50% of the main problem is solve there
maillist should only ARC seal / and ARC sign, nothing more, if that is done BEFORE dkim is breaked, then it wont break dmarc from github trunk of opendmarc, time to stablelize
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