Also see the complete page index.
About SPF
- Introduction: About what SPF is and where to continue reading.
- Related Solutions: About related solutions (Sender ID, DKIM, PGP, S/MIME, etc.) and how they fit in the great scheme of things.
- Vision: The long-term vision of SPF, sender authentication, and reputation systems.
- SPF vs Sender ID: Is SPF the same thing as Sender ID? Which is better?
- FAQ: Frequently Asked Questions
- Research: Papers related to SPF
- Contact: Media contacts and other inquiries.
Deployment
- SPF Record Syntax: Quick overview of the SPF record syntax
- SPF Received Header: Overview of the SPF-Received Header
- Tools: Tools for testing existing SPF records for validity, robustness, and performance.
- FAQ: Frequently Asked Questions
- Best Practices: Best practices for domain owners, MTA operators, ISPs, and end users.
- Implementations: The SPF reference implementation with documentation, and a comprehensive and non-discriminatory directory of real-world SPF implementations.
- Specifications: The final edition of the SPFv1 specification and a list of all the drafts leading up to it.
- Statistics: Statistics on the adoption and accuracy of SPF.
- Support: Free support by the community, and professional consulting services by experts.
Development
- SPF Received Header: Overview of the SPF-Received Header
- Specifications: The final edition of the SPFv1 specification and a list of all the drafts leading up to it.
- Test Suite: The official test suite for SPFv1 implementations.
- Implementations: The SPF reference implementation with documentation, and other SPF libraries.
- Forums: Free development support by the community.
Community
- Support: Free support by the community.
- Forums: Mailing lists (subscription info and archives) and IRC channels.
- Support Team: About the volunteer support team.
The SPF Project