Mimecast provides DNS authentication services that include SPF, DKIM and DMARC protocols to prevent spoofing and impersonation. Discover more

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Protecting email data with DMARC.

Domain-based Message Authentication, Reporting and Conformance (DMARC) is protocol for email authentication that helps an organization to prevent cyber criminals from illegitimately using its domain name to initiate email spoofing or impersonation attacks.

What is DMARC designed to do? The DMARC email security standard enables senders to indicate that email originating from their domain is protected by SPF and/or DKIM, and provides instructions for how receivers should treat messages that don't pass either of these authentication methods. Consequently, DMARC minimizes the impact of fraudulent or harmful messages for recipients while protecting the integrity of the sender's domain. DMARC also enables recipient organizations to inform sender's about email that passes or fails DMARC compliance.

However, DMARC alone cannot protect an organization from a wider range of malware-less impersonation attacks – it only addresses illegitimate use of a legitimate domain name, and attackers frequently use slightly different domain names that appear almost identical to the original, which DMARC cannot stop. That's why, when seeking the strongest levels of email data protection, more organizations today are turning to solutions from Mimecast that combine DMARC with a multilayered approach to stopping an email data breach.

<p>Protecting email data with DMARC.</p>

Mimecast solutions for DMARC email security.

Mimecast provides a cloud-based service that includes a suite of solutions for email security, archiving and continuity that help to simplify management of business email and reduce the cost and complexity of protecting email data from attackers.

At the center of Mimecast email security offerings is the Mimecast Secure Email Gateway. Combining sophisticated threat intelligence and multilayered detection engines, this Mimecast service provides DNS authentication services that include SPF, DKIM and DMARC protocols to prevent spoofing and impersonation. In conjunction with DMARC Analyzer, a new Mimecast alliance partner, Mimecast provides 360-degree email channel visibility, reporting and validation that provides organizations with insight into any unauthorized use of their domain, allowing them to reject illegitimate emails more quickly and with greater confidence.

<p>Mimecast solutions for DMARC email security.</p>

Beyond DMARC: additional services for combating email fraud.

In addition to DMARC-based authentication, Mimecast provides a suite of services that helps to protect against other types of sophisticated techniques used in ransomware, spear-phishing and impersonation attacks. These include protection against:

  • Malicious URLs. Mimecast scans every link in every email on every click. Using third-party and proprietary threat intelligence, Mimecast evaluates the security of every URL and blocks access to suspicious links.
  • Weaponized attachments. Mimecast applies deep inspection analytics on files attached to email, converting suspicious attachments to a safe format or sandboxing them until they can be deemed safe.
  • Internal threats. Mimecast scans all internal email for signs of potential of data leaks or malicious intent, blocking or identifying suspicious messages as well as sensitive data being sent out of the organization.

Learn more about DMARC authentication with Mimecast.

<p>Beyond DMARC: additional services for combating email fraud.</p>

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