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RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1

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RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1

Summary

RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 is a Request for Comments[1].

Key Facts

  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's instance of is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — instance of (P31): Request for Comments[2].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's publisher is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — publisher (P123): Internet Engineering Task Force[3].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's DOI is recorded as 10.17487/RFC7208[4].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's language of work or name is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — language of work or name (P407): English[5].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's publication date is recorded as +2014-04-01T00:00:00Z[6].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's RfC ID is recorded as 7208[7].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's main subject is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — main subject (P921): Sender Policy Framework[8].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's work available at URL is recorded as https://tools.ietf.org/html/rfc7208[9].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's work available at URL is recorded as https://tools.ietf.org/rfc/rfc7208.txt[10].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's work available at URL is recorded as https://www.rfc-editor.org/rfc/rfc7208.txt[11].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's work available at URL is recorded as https://www.rfc-editor.org/pdfrfc/rfc7208.txt.pdf[12].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's number of pages is recorded as {'unit': '1', 'amount': '+64'}[13].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's replaces is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — replaces (P1365): RFC 4408: Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1[14].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's title is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1[15].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's author name string is recorded as S. Kitterman[16].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's amended by is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — amended by (P2567): RFC 7372: Email Authentication Status Codes[17].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's amended by is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — amended by (P2567): RFC 8553: DNS Attrleaf Changes: Fixing Specifications That Use Underscored Node Names[18].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's amended by is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — amended by (P2567): RFC 8616: Email Authentication for Internationalized Mail[19].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's cites work is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — cites work (P2860): RFC 1035: Domain names - implementation and specification[20].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's cites work is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — cites work (P2860): RFC 1123: Requirements for Internet Hosts - Application and Support[21].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's cites work is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — cites work (P2860): RFC 2119: Key words for use in RFCs to Indicate Requirement Levels[22].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's cites work is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — cites work (P2860): RFC 3463: Enhanced Mail System Status Codes[23].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's cites work is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — cites work (P2860): RFC 3864: Registration Procedures for Message Header Fields[24].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's cites work is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — cites work (P2860): RFC 3986: Uniform Resource Identifier (URI): Generic Syntax[25].
  • RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's cites work is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — cites work (P2860): RFC 4291: IP Version 6 Addressing Architecture[26].

Body

Designation and Status

RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1's instance of is recorded as Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — instance of (P31): Request for Comments[2].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . RFC Index. Retrieved . wikidata.org.
  2. [3] ↑ . RFC Index. Retrieved . wikidata.org.
  3. [4] ↑ . RFC Index. Retrieved . wikidata.org.
  4. [5] ↑ . RFC Index. Retrieved . wikidata.org.
  5. [6] ↑ . RFC Index. Retrieved . wikidata.org.
  6. [7] ↑ . RFC Index. Retrieved . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . RFC Index. Retrieved . wikidata.org.
  9. [10] ↑ . RFC Index. Retrieved . wikidata.org.
  10. [11] ↑ . RFC Index. Retrieved . wikidata.org.
  11. [12] ↑ . RFC Index. Retrieved . wikidata.org.
  12. [13] ↑ . RFC Index. Retrieved . wikidata.org.
  13. [14] ↑ . RFC Index. Retrieved . wikidata.org.
  14. [15] ↑ . RFC Index. Retrieved . wikidata.org.
  15. [16] ↑ . RFC Index. Retrieved . wikidata.org.
  16. [17] ↑ . RFC Index. Retrieved . wikidata.org.
  17. [18] ↑ . RFC Index. Retrieved . wikidata.org.
  18. [19] ↑ . RFC Index. Retrieved . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1. Retrieved May 3, 2026, from https://4ort.xyz/entity/rfc-7208-sender-policy-framework-spf-for-authorizing-use-of-domains-in-email-version-1
MLA “RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rfc-7208-sender-policy-framework-spf-for-authorizing-use-of-domains-in-email-version-1.
BibTeX @misc{4ortxyz_rfc-7208-sender-policy-framework-spf-for-authorizing-use-of-domains-in-email-version-1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1}}, year = {2026}, url = {https://4ort.xyz/entity/rfc-7208-sender-policy-framework-spf-for-authorizing-use-of-domains-in-email-version-1}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RFC 7208: Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1 — https://4ort.xyz/entity/rfc-7208-sender-policy-framework-spf-for-authorizing-use-of-domains-in-email-version-1 (retrieved 2026-05-03)

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