DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email authentication protocol designed to give domain owners the ability to protect their domain from unauthorized use, commonly known as email spoofing. It builds on two existing email authentication techniques, SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail), adding a crucial reporting element.
DMARC reports are essential for
email marketers because they provide insight into how your email is being handled by receiving servers. These reports help you ensure that your emails are reaching the inboxes of your subscribers and not being flagged as spam. They also help in identifying and mitigating any potential abuse of your domain.
When you set up a DMARC policy, you can specify that you want to receive
aggregate reports and/or forensic reports. Aggregate reports provide a summary of the authentication results, while forensic reports give detailed information about individual messages that failed DMARC checks. These reports are usually sent in XML format and can be parsed using various tools.
DMARC reports include a variety of information, such as:
The IP addresses of sending servers
Authentication results of SPF and DKIM
The
DMARC policy applied by the receiving server
The number of emails that passed or failed authentication
Details about failures, including header information and sending domains
Verify that their legitimate emails are properly authenticated and reaching the inbox
Identify any unauthorized use of their domain
Improve their email deliverability by ensuring all emails pass SPF and DKIM checks
Analyze the performance of different email campaigns based on authentication results
One of the main challenges in interpreting DMARC reports is the complexity of the XML format. Many marketers may find it difficult to manually parse and interpret these reports. Fortunately, there are a variety of
DMARC report analysis tools available that can help simplify this process by providing user-friendly dashboards and visualizations.
To set up DMARC, you need to:
Ensure that you have SPF and DKIM set up for your domain.
Create a DMARC policy by adding a
DNS TXT record to your domain.
Specify the email address where you want to receive DMARC reports.
Monitor the reports and adjust your policy as needed.
It's recommended to start with a "none" policy to monitor the results before moving to stricter policies like "quarantine" or "reject."
Conclusion
DMARC reports are a valuable tool for email marketers to ensure the security and deliverability of their email campaigns. By properly setting up and analyzing these reports, you can protect your domain from abuse, improve your email authentication, and ultimately enhance your
email marketing strategy.