# RFC 4408: Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1

> request for comments publication

**Wikidata**: [Q47470809](https://www.wikidata.org/wiki/Q47470809)  
**Source**: https://4ort.xyz/entity/rfc-4408-sender-policy-framework-spf-for-authorizing-use-of-domains-in-e-mail-version-1


## References

1. RFC Index
2. DBLP Dataset 2021-01-02