DMARC Has Been Public Since 2012. 68.4% of Company Domains Still Don't Enforce It.
- It is a free DNS record that tells receiving mail servers what to do with email that fails to authenticate as coming from your domain: report it, quarantine it, or reject it outright.
- It is primarily concerned with unauthorised use of a domain in the visible From address; it doesn't stop lookalike-domain registrations, display-name spoofing, or a phishing email sent from a compromised legitimate account.
Unverified
- It is a free DNS record that tells receiving mail servers what to do with email that fails to authenticate as coming from your domain: report it, quarantine it, or reject it outright.
- It is primarily concerned with unauthorised use of a domain in the visible From address; it doesn't stop lookalike-domain registrations, display-name spoofing, or a phishing email sent from a compromised legitimate account.
Sources: Ciphercue