AWS Certificate Manager to Discontinue Email Validation for Public Certificates

AWS Certificate Manager (ACM) has announced plans to permanently discontinue email-based domain control validation (DCV) for public certificate renewals by September 30, 2027. The deprecation aligns AWS cloud infrastructure with global trust mandates established by the Certificate Authority and Browser (CA/B) Forum, requiring cloud architects, DevOps engineers, and security teams to transition legacy certificates to DNS validation. The transition follows a landmark vote by the Certificate Authority and Browser (CA/B) Forum in November 2025 to eliminate email-based domain validation for public TLS/SSL certificates. Starting March 15, 2028, major web browsers will distrust any public certificate validated using email verification,...

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