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How to Configure DMARC Records for Your Domain
How to Configure DMARC Records for Your Domain
Updated over a week ago

Introduction to DMARC

DMARC (Domain-based Message Authentication, Reporting, and Conformance) is an essential email authentication protocol that helps organizations protect their email domains from spoofing, phishing, and other fraudulent activities. By implementing DMARC records, you can enhance email security, improve deliverability, and safeguard your brand reputation.

Step-by-Step Guide to Setting Up DMARC Records

Step 1: Assess Your Email Infrastructure

Before configuring DMARC, assess your current email infrastructure and identify all legitimate senders and sources associated with your domain. This includes email service providers, marketing automation platforms, and any third-party email servers used to send emails on your behalf.

Step 2: Start with a Monitoring Policy

Begin by publishing a DMARC record with a monitoring (p=none) policy. This allows you to monitor email authentication results without impacting email delivery. To do this, follow these steps:

  1. Log in to your domain's DNS management console.

  2. Navigate to the DNS records section.

  3. Add a TXT record with the following information:

    1. Name/Host:

    2. Value: v=DMARC1; p=none;;;

    3. Replace with your actual domain and with the email address where you want to receive DMARC reports.

Step 3: Gradually Enforce Strict Policies

Once you've gained insights from monitoring DMARC reports and ensured that legitimate emails are passing authentication checks, you can gradually enforce stricter DMARC policies. Consider implementing policies such as quarantine (p=quarantine) or reject (p=reject) to instruct email receivers on how to handle emails that fail authentication.

Step 4: Use DMARC Alignment

Maximize the effectiveness of your DMARC policy by ensuring SPF and DKIM alignment. Make sure all outbound emails are properly authenticated using SPF and DKIM to align with the From: domain specified in the email header.

Step 5: Monitor and Analyze DMARC Reports

Regularly monitor and analyze DMARC reports to identify any issues or anomalies. Pay attention to the percentage of emails passing authentication, sources of failed authentication, and any unauthorized senders attempting to spoof your domain. Use this information to fine-tune your DMARC policy and improve email authentication practices.

Step 6: Collaborate with Third-party Senders

If your domain relies on third-party senders or vendors to send emails on your behalf, collaborate with them to ensure compliance with your DMARC policy. Encourage them to implement SPF and DKIM authentication for emails sent on your behalf and provide guidance on DMARC best practices.

Step 7: Maintain Ongoing Compliance and Security

Regularly review and update your DMARC policy to maintain compliance with industry standards and adapt to evolving email security threats. Stay informed about best practices for email authentication and security, and continuously educate your team members about the importance of DMARC and email security hygiene.

By following these steps, you can effectively configure DMARC records for your domain and enhance email security, protect your brand reputation, and improve email deliverability.

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