RFC 6686: Resolution of the Sender Policy Framework (SPF) and Sender ID Experiments

In 2006, the IETF published a suite of protocol documents comprising the Sender Policy Framework (SPF) and Sender ID: two proposed email authentication…

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Outgoing relationships (6 related RFCs)

Normative reference — RFC 4408: Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1
Normative reference — RFC 4406: Sender ID: Authenticating E-Mail
Normative reference — RFC 4407: Purported Responsible Address in E-Mail Messages
Normative reference — RFC 4405: SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message
Informative reference — RFC 5321: Simple Mail Transfer Protocol
Informative reference — RFC 5507: Design Choices When Expanding the DNS