Email

Email Domain Authorization, Authentication, Policy, Reporting, Email Encryption and Signing

• SPF - Sender Policy Framework RFC 7208
• Sender ID - RFC 4406
• DKIM - DomainKeys Identified Mail RFC 6376
• DKIM ADSP - DKIM Author Domain Signing Practices RFC 5617
• DMARC - Domain-based Message Authentication, Reporting, and Conformance RFC 7489
• [[S/MIME]] - Secure/Multipurpose Internet Mail Extensions RFC 5751
• [[OpenPGP?]] RFC 4880