# Specifications

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

## DMARC

- [RFC 9989](https://datatracker.ietf.org/doc/rfc9989/): Domain-Based Message Authentication, Reporting, and Conformance (DMARC)
- [RFC 9990](https://datatracker.ietf.org/doc/rfc9990/): Domain-Based Message Authentication, Reporting, and Conformance (DMARC) Aggregate Reporting
- [RFC 9991](https://datatracker.ietf.org/doc/rfc9991/): Domain-Based Message Authentication, Reporting, and Conformance (DMARC) Failure Reporting
- [RFC 7489](https://datatracker.ietf.org/doc/rfc7489/) (obsolete): Domain-based Message Authentication, Reporting, and Conformance (DMARC)

## SPF

- [RFC 7208](https://datatracker.ietf.org/doc/rfc7208/): Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1

## DKIM

- [RFC 6376](https://datatracker.ietf.org/doc/rfc6376/): DomainKeys Identified Mail (DKIM) Signatures

## Authentication-Results

- [RFC 8601](https://datatracker.ietf.org/doc/rfc8601/): Message Header Field for Indicating Message Authentication Status

## SMTP TLS reporting (TLSRPT)

- [RFC 8460](https://datatracker.ietf.org/doc/rfc8460/): SMTP TLS Reporting

## MTA-STS

- [RFC 8461](https://datatracker.ietf.org/doc/rfc8461/): SMTP MTA Strict Transport Security (MTA-STS)