How do I configure a custom Legal Hold Address on a DMARC-secured domain?
MXToolbox offers a free tool to easily check for the presence of a DMARC policy on your corporate domain… name:
Enter your base domain (i.e., if you're using legalhold.llama.com as a subdomain, just enter… If the Test results in "DMARC Record Found," that means your domain has a DMARC security policy in place