Specifications

These are the official specifications for the email authentication and transport security standards covered by DMARCwise.

DMARC

• RFC 9989: Domain-Based Message Authentication, Reporting, and Conformance (DMARC)
• RFC 9990: Domain-Based Message Authentication, Reporting, and Conformance (DMARC) Aggregate Reporting
• RFC 9991: Domain-Based Message Authentication, Reporting, and Conformance (DMARC) Failure Reporting
• RFC 7489 (obsolete): Domain-based Message Authentication, Reporting, and Conformance (DMARC)

SPF

• RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1

DKIM

• RFC 6376: DomainKeys Identified Mail (DKIM) Signatures

Authentication-Results

• RFC 8601: Message Header Field for Indicating Message Authentication Status

SMTP TLS reporting (TLSRPT)

• RFC 8460: SMTP TLS Reporting

MTA-STS

• RFC 8461: SMTP MTA Strict Transport Security (MTA-STS)