DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email security protocol that helps protect your domain from being used in phishing or spoofing attacks.
It works alongside SPF and DKIM to verify that emails claiming to come from your domain are genuine.
By adding rules for how unauthorised messages should be handled, and providing regular reports on email activity, DMARC gives you visibility, control, and peace of mind that your brand and customers are better protected.
Email is one of the most common ways cybercriminals target businesses. DMARC (Domain-based Message Authentication, Reporting & Conformance) helps you take control by stopping attackers from sending emails that pretend to be from your domain.
Working with SPF and DKIM, it verifies legitimate messages, blocks fraudulent ones, and gives you the reports you need to stay ahead of threats. With DMARC in place, you can protect your brand, safeguard your customers, and reduce the risk of costly email-based attacks.
DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email security protocol designed to help stop spoofing, spam, and malicious attacks that use your company’s domain without permission.
On its own, DMARC won’t do much — it works best alongside two other key email authentication protocols: SPF and DKIM.
DMARC’s job is to tell email providers what to do when a message fails the SPF or DKIM checks. By setting a policy in your DMARC record, you decide whether those messages should be delivered, quarantined, or rejected — giving you control and helping to keep your business and customers safe.
DMARC is essential for protecting your business email, but if it’s set up incorrectly, it can cause deliverability issues — meaning important emails might never reach their destination.
A DMARC record checker helps you spot and fix problems before they impact your communications. It can:
Instead of relying on trial and error, a DMARC checker gives you a fast, accurate way to identify issues and correct them — keeping your emails secure and making sure they arrive where they should.
We’ll help you choose, implement, and manage the technologies that genuinely improve your security, not just add cost.
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August 6, 2025
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DMARC is an email authentication protocol that protects your domain from spoofing and phishing. This blog explains how it works, why it matters, and how to implement it to secure your email traffic.
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