Authentication and alignment
SPF, DKIM, DMARC, alignment and ARC.
dns
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DMARC explained
Below is a short history of DMARC, giving some background into why this is important and how it works. But first, a little history…
SPF, DKIM, DMARC, alignment and ARC.
Below is a short history of DMARC, giving some background into why this is important and how it works. But first, a little history…