On Wed, Jun 15, 2022 at 4:22 PM John Levine via mailop <mailop@mailop.org> wrote: > > It appears that Ken O'Driscoll via mailop <k...@wemonitoremail.com> said: > >Hi Slavo, > > > >p=none is not always harmless. Some message filters treat p=none differently > >to not having DMARC.
I've observed this as well. > Really? I'm not sure how much I care about recipient systems that are that > broken. That's a choice, for sure. Like rewriting headers to ".invalid" as a protest about DMARC and mailing lists. Your server, your rules, of course. My choice would be more about trying to keep the mail flowing. Al Iverson / Deliverability blogging at www.spamresource.com Subscribe to the weekly newsletter at wombatmail.com/sr.cgi DNS Tools at xnnd.com / (312) 725-0130 / Chicago (Central Time) _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
