8 Steps to Set Up DKIM CNAME Records for Third-Party Senders Without Breaking DMARC
Executive Summary A DKIM CNAME record lets a third-party sender sign your mail with your own domain. That signature is what DMARC alignment checks. These eight steps cover record collection and selector naming, so your messages keep passing authentication after you hand sending to an outside platform. When a third-party sender mails on your behalf, … Read more