What Is DMARC?

DMARC is an email security protocol that prevents spoofing, phishing, and unauthorized email use. It works by enforcing SPF(sender policy framework) and DKIM(DomainKeys Identified Mail) authentication, allowing domain owners to define policies (none, quarantine, or reject) for handling unauthorized emails. DMARC also provides detailed reports to monitor and enhance email security.

What are SPF and DKIM?

SPF and DKIM are email authentication protocols that prevent spoofing and phishing attacks. SPF verifies that emails are sent from authorized mail servers, while DKIM adds a cryptographic signature to ensure email integrity. Together, they enhance email security, improve deliverability, and help enforce DMARC policies for better protection against fraudulent emails.

What is a DMARC Record?

A DMARC record is a DNS TXT entry that defines how email receivers should handle unauthenticated emails. It works with SPF and DKIM to prevent spoofing, phishing, and email fraud. DMARC records specify policies(none, quarantine, or reject) and generate reports to help domain owners monitor and strengthen their email security.

How DMARC Works?

DMARC works by verifying that an email aligns with SPF and or DKIM authentication. If an email fails authentication, DMARC applies the domain owner’s policy(none, quarantine, or reject). It also provides detailed reports, allowing businesses to monitor unauthorized email activity, prevent spoofing and phishing, and enhance email security.

How DMARC Complaint is your country?

DMARC compliant varies across countries, with some enforcing strict email authentication policies while others lag in adoption. Nations with high compliant rates have better email security, reduced phishing attacks, and improved deliverability. Businesses should check their country’s DMARC adoption trends and implement SPF, DKIM, and DMARC to enhance protection against spoofing and cyber threats.