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RFC 1939: Post Office Protocol - Version 3

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RFC 1939: Post Office Protocol - Version 3

Summary

RFC 1939: Post Office Protocol - Version 3 is a Request for Comments[1].

Key Facts

  • RFC 1939: Post Office Protocol - Version 3 authored Post Office Protocol - Version 3 — author (P50): Marshall Rose[2].
  • RFC 1939: Post Office Protocol - Version 3's instance of is recorded as Post Office Protocol - Version 3 — instance of (P31): Request for Comments[3].
  • RFC 1939: Post Office Protocol - Version 3's publisher is recorded as Post Office Protocol - Version 3 — publisher (P123): Internet Engineering Task Force[4].
  • RFC 1939: Post Office Protocol - Version 3's DOI is recorded as 10.17487/RFC1939[5].
  • RFC 1939: Post Office Protocol - Version 3's language of work or name is recorded as Post Office Protocol - Version 3 — language of work or name (P407): English[6].
  • RFC 1939: Post Office Protocol - Version 3's publication date is recorded as +1996-05-01T00:00:00Z[7].
  • RFC 1939: Post Office Protocol - Version 3's RfC ID is recorded as 1939[8].
  • RFC 1939: Post Office Protocol - Version 3's main subject is recorded as Post Office Protocol - Version 3 — main subject (P921): Post Office Protocol 3[9].
  • RFC 1939: Post Office Protocol - Version 3's work available at URL is recorded as https://tools.ietf.org/html/rfc1939[10].
  • RFC 1939: Post Office Protocol - Version 3's work available at URL is recorded as https://tools.ietf.org/rfc/rfc1939.txt[11].
  • RFC 1939: Post Office Protocol - Version 3's work available at URL is recorded as https://www.rfc-editor.org/rfc/rfc1939.txt[12].
  • RFC 1939: Post Office Protocol - Version 3's work available at URL is recorded as https://www.rfc-editor.org/pdfrfc/rfc1939.txt.pdf[13].
  • RFC 1939: Post Office Protocol - Version 3's number of pages is recorded as {'unit': '1', 'amount': '+23'}[14].
  • RFC 1939: Post Office Protocol - Version 3's replaces is recorded as Post Office Protocol - Version 3 — replaces (P1365): RFC 1725: Post Office Protocol - Version 3[15].
  • RFC 1939: Post Office Protocol - Version 3's title is recorded as Post Office Protocol - Version 3[16].
  • RFC 1939: Post Office Protocol - Version 3's author name string is recorded as J. Myers[17].
  • RFC 1939: Post Office Protocol - Version 3's amended by is recorded as Post Office Protocol - Version 3 — amended by (P2567): RFC 1957: Some Observations on Implementations of the Post Office Protocol (POP3)[18].
  • RFC 1939: Post Office Protocol - Version 3's amended by is recorded as Post Office Protocol - Version 3 — amended by (P2567): RFC 2449: POP3 Extension Mechanism[19].
  • RFC 1939: Post Office Protocol - Version 3's amended by is recorded as Post Office Protocol - Version 3 — amended by (P2567): RFC 6186: Use of SRV Records for Locating Email Submission/Access Services[20].
  • RFC 1939: Post Office Protocol - Version 3's amended by is recorded as Post Office Protocol - Version 3 — amended by (P2567): RFC 8314: Cleartext Considered Obsolete: Use of Transport Layer Security (TLS) for Email Submission and Access[21].
  • RFC 1939: Post Office Protocol - Version 3's DBLP publication ID is recorded as journals/rfc/rfc1939[22].

Body

Designation and Status

RFC 1939: Post Office Protocol - Version 3's instance of is recorded as Post Office Protocol - Version 3 — instance of (P31): Request for Comments[3].

References

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

Direct Wikidata claims

  1. [3] ↑ . RFC Index. Retrieved . wikidata.org.
  2. [2] ↑ . 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] ↑ . RFC Index. Retrieved . wikidata.org.
  8. [9] ↑ . 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] ↑ . RFC Index. Retrieved . wikidata.org.
  20. [21] ↑ . RFC Index. Retrieved . wikidata.org.
  21. [22] ↑ . DBLP Dataset 2021-01-02. Retrieved . 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 1939: Post Office Protocol - Version 3. Retrieved May 3, 2026, from https://4ort.xyz/entity/rfc-1939-post-office-protocol-version-3
MLA “RFC 1939: Post Office Protocol - Version 3.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rfc-1939-post-office-protocol-version-3.
BibTeX @misc{4ortxyz_rfc-1939-post-office-protocol-version-3_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RFC 1939: Post Office Protocol - Version 3}}, year = {2026}, url = {https://4ort.xyz/entity/rfc-1939-post-office-protocol-version-3}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RFC 1939: Post Office Protocol - Version 3 — https://4ort.xyz/entity/rfc-1939-post-office-protocol-version-3 (retrieved 2026-05-03)

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