[dmarc-discuss] A bit quiet?

Scott Kitterman sklist at kitterman.com
Fri Oct 23 19:54:03 PDT 2015

On October 23, 2015 8:37:06 PM EDT, John Levine <johnl at 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
>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

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