On October 23, 2015 8:37:06 PM EDT, John Levine <jo...@taugh.com> wrote: >>From a DMARC perspective, if you know the sender is trustworthy, you >do a local override. ARC doesn't >>seem to be needed for that. > >I have many of the same questions you do, but it is my impression that >a surprising number of lists behave fine for a long time, then some >bad guy starts pumping spam through it by impersonating one of the >subscribers. > >ARC should be helpful in that perhaps non-exotic situation.
Could be. I certainly don't claim it's not potentially useful. My concern is that it seems to be marketed as a solution to the DMARC mailing list problem and as far as I can tell, its potential utility is orthogonal to that. Scott K _______________________________________________ dmarc-discuss mailing list dmarc-discuss@dmarc.org http://www.dmarc.org/mailman/listinfo/dmarc-discuss NOTE: Participating in this list means you agree to the DMARC Note Well terms (http://www.dmarc.org/note_well.html)
