We are introducing grades (A to F) for the DMARC risk vector; a previously non-graded risk vector. This risk vector does not currently impact the overall rating, but it is planned to become ratings-impacting in a future Ratings Algorithm Update.
The DMARC risk vector assesses whether domains have a Domain-based Message Authentication, Reporting and Conformance (DMARC) policy and how effectively that policy ensures that only verified senders can use the domain for email.
Learn more:
- January 20, 2026: Published.
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