Primary definition
An email authentication, policy, and reporting protocol that verifies the authenticity of the sender of an email and blocks and reports fraudulent accounts.
Also known asDMARC · Domain-based Message Authentication Reporting and Conformance
2 sources cited4 related termsReviewed Aug 10, 2026
— March 2020 CSC ReportView source
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M2CR
An email authentication, policy, and reporting protocol that verifies the authenticity of the sender of an email and blocks and reports fraudulent accounts.
March 2020 CSC Report · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Domain Based Message Authentication, Reporting & Conformance. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/domain-based-message-authentication-reporting-conformance
Sources
2 cited · last checked Aug 10, 2026
01
March 2020 CSC Report
March 2020 CSC Report
High consensus
02
The Cyber Glossary
The Cyber Glossary
Multi-source
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