This page includes links to all standards reference documentation on which OpenDKIM is built.

DKIM and Related Protocols

RFC6376: DomainKeys Identified Mail (DKIM) Signatures [DRAFT STANDARD]
RFC5617: DKIM Author Domain Signing Practices [PROPOSED STANDARD]
DKIM Implementation Report
RFC4686: Analysis of Threats Motivating DomainKeys Identified Mail [INFORMATIONAL]
RFC5016: Requirements for a DomainKeys Identified Mail (DKIM) Signing Practices Protocol [INFORMATIONAL]
RFC5585: DomainKeys Identified Mail (DKIM) Service Overview [INFORMATIONAL]
RFC5863: DomainKeys Identified Mail (DKIM) Development, Deployment, and Operations [INFORMATIONAL]
RFC6377: DomainKeys Identified Mail (DKIM) and Mailing Lists [BEST CURRENT PRACTICE]
RFC6541: DomainKeys Identified Mail (DKIM) Authorized Third-Party Signatures [EXPERIMENTAL]
Extensions to DKIM for Failure Reporting [PROPOSED STANDARD]

Email Format

RFC5322: Internet Message Format [DRAFT STANDARD]

Reporting Authentication Results

RFC5451: Message Header Field for Indicating Message Authentication Status [PROPOSED STANDARD]
RFC6008: Authentication-Results Registration for Differentiating among Cryptographic Results [PROPOSED STANDARD]
RFC6212: Authentication-Results Registration for Vouch by Reference Results [PROPOSED STANDARD]
RFC6577: Authentication-Results Registration Update for Sender Policy Framework (SPF) Results [PROPOSED STANDARD]

Abuse Reporting

RFC5965: An Extensible Format for Email Feedback Reports [PROPOSED STANDARD]
RFC6591: Authentication Failure Reporting Using the Abuse Reporting Format [PROPOSED STANDARD]
Creation and Use of Email Feedback Reports: An Applicability Statement for the Abuse Reporting Format (ARF)

Reputation

A Model for Reputation Reporting
A Media Type for Reputation Interchange
Reputation Data Interchange using HTTP and JSON
A Reputation Response Set for Email Identifiers

Other Specifications

RFC2254: The String Representation of LDAP Search Filters [PROPOSED STANDARD]
RFC3447: Public-Key Cryptography Standards (PKCS) #1: RSA Cryptography Specifications Version 2.1 [INFORMATIONAL]
RFC5518: Vouch By Reference [PROPOSED STANDARD]
RFC6522: The Multipart/Report Media Type for the Reporting of Mail System Administrative Messages [STANDARD]
RFC6570: URI Template [PROPOSED STANDARD]