Email Marketing
Email Authentication
Email authentication refers to the technical protocols (SPF, DKIM, DMARC) that verify the identity of an email sender and prevent spoofing. Proper authentication is essential for inbox placement and protects your brand from being impersonated in phishing attacks.
Examples
A company implements DMARC with a reject policy after setting up SPF and DKIM records, and its spam complaint rate drops by 80% within three months.
Best Practices
Implement all three protocols (SPF, DKIM, DMARC) starting with monitoring mode, regularly review authentication reports, and ensure third-party senders are included in your SPF record.