On 10/17/2017 04:15 PM, Lindsay Haisley wrote:
Just as an aside here, my understanding is that validation of an email by DMARC requires ONE of two things: EITHER the DKIM signature in the email must validate, OR the domain of the From body header must resolve to the IP address of the Sender system (list server or mail reflector). Is this correct? Where's a reference on this?

That is a per domain setting left up to the DMARC publisher.

At least my understanding is that you can specify any of the following conditions to cause DMARC to pass / fail.

1) /Only/ SPF
2) /Only/ DKIM
3) SPF /or/ DKIM
4) SPF /and/ DKIM



--
Grant. . . .
unix || die

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