Email processes and protocols/External Links

Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.

From IETF (Internet Engineering Task Force)

Best Current Practices (BCPs) - IETF's best recommendations, going beyond the standards.

 BCP30  - Anti-Spam Recommendations for SMTP MTAs
 BCP38  - Defeating Denial of Service Attacks
 BCP46  - Recommended ISP Security Procedures
 BCP134 - Email Submission Operations: Access and Accountability Requirements

From IANA (Internet Assigned Numbers Authority)

IANA Registries - up-to-date, official registries for names, numbers, and protocol parameters, including additions approved after the original publications.

IANA Protocol Registries

 Message Header Fields
 Multipurpose Internet Mail Extensions (MIME)
 Simple Mail Transfer Protocol (SMTP) Enhanced Status Codes
 Simple Mail Transfer Protocol (SMTP) Service Extensions
 - - - 
 17 other registries related to email
 - - -