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Postfix

mail transfer agent
CreativeWork message_transfer_agent Q1121334
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Postfix

Summary

Postfix is a message transfer agent[1]. Postfix draws 3,543 Wikipedia views per month (message_transfer_agent category, ranking #2 of 8).[2]

Key Facts

  • Postfix is the creator of Wietse Venema[3].
  • Postfix's instance of is recorded as message transfer agent[4].
  • Postfix's instance of is recorded as free software[5].
  • Postfix's developer is recorded as IBM[6].
  • Postfix's copyright license is recorded as Eclipse Public License 2.0[7].
  • Postfix's copyright license is recorded as IBM Public License[8].
  • Postfix's programmed in is recorded as Q15777[9].
  • Postfix's operating system is recorded as Q3251801[10].
  • Postfix's operating system is recorded as BSD[11].
  • Postfix's operating system is recorded as macOS[12].
  • Postfix's operating system is recorded as Unix-like operating system[13].
  • Postfix's software version identifier is recorded as 3.0.2[14].
  • Postfix's software version identifier is recorded as 3.0.3[15].
  • Postfix's software version identifier is recorded as 3.1.0[16].
  • Postfix's software version identifier is recorded as 3.1.1[17].
  • Postfix's software version identifier is recorded as 3.1.3[18].
  • Postfix's software version identifier is recorded as 3.2.0[19].
  • Postfix's software version identifier is recorded as 3.0.0[20].
  • Postfix's software version identifier is recorded as 3.2.3[21].
  • Postfix's software version identifier is recorded as 3.2.4[22].
  • Postfix's software version identifier is recorded as 3.2.5[23].
  • Postfix's software version identifier is recorded as 3.3.0[24].
  • Postfix's software version identifier is recorded as 3.0.14[25].
  • Postfix's software version identifier is recorded as 3.1.10[26].
  • Postfix's software version identifier is recorded as 3.2.7[27].

Body

Authorship and Creation

Postfix is the creator of Wietse Venema[3].

Why It Matters

Postfix draws 3,543 Wikipedia views per month (message_transfer_agent category, ranking #2 of 8).[2] Postfix has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[28] Postfix is known by 6 alternative names across languages and contexts.[29]

Related Entities

BSD free software IBM macOS Maildir Unix-like operating system Wietse Venema YunoHost

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . Wikidata aliases. 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). Postfix. Retrieved October 2, 2026, from https://4ort.xyz/entity/postfix
MLA “Postfix.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/postfix.
BibTeX @misc{4ortxyz_postfix_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Postfix}}, year = {2026}, url = {https://4ort.xyz/entity/postfix}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Postfix — https://4ort.xyz/entity/postfix (retrieved 2026-10-02)

Canonical URL: https://4ort.xyz/entity/postfix · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 27d ago · Github-wiki-bot bot · 2026-09-08 view diff on Wikidata ↗
    Software version identifier → 3.0.2, 3.0.3, 3.1.0 +300
    "/* wbsetclaim-create:1||1 */ [[Property:P348]]: 3.6.21, Update with GitHub data ([[:toollabs:editgroups/b/CB/25ebcb092a87|details]])"
  2. 12w ago · Github-wiki-bot bot · 2026-07-07 view diff on Wikidata ↗
    Software version identifier → 3.0.2, 3.0.3, 3.1.0 +300
    "/* wbsetclaim-create:1||1 */ [[Property:P348]]: 3.5.26, Update with GitHub data ([[:toollabs:editgroups/b/CB/3b9438df05d8|details]])"
  3. 15w ago · Github-wiki-bot bot · 2026-06-18 view diff on Wikidata ↗
    Software version identifier → 3.0.2, 3.0.3, 3.1.0 +300
    "/* wbsetclaim-create:1||1 */ [[Property:P348]]: 3.8.18, Update with GitHub data ([[:toollabs:editgroups/b/CB/d25e05a95221|details]])"
  4. 15w ago · Mindmatrix · 2026-06-18 view diff on Wikidata ↗
    Software version identifier → 3.0.2, 3.0.3, 3.1.0 +300
    "/* wbsetclaim-create:2||1 */ [[Property:P348]]: 3.11.4"
  5. 16w ago · Jindřich Rubeš · 2026-06-14 view diff on Wikidata ↗
    Software version identifier → 3.0.2, 3.0.3, 3.1.0 +300
    Svkkl authority id → 0220938-Postfix-software
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: 0220938-Postfix-software, [[:toollabs:quickstatements/#/batch/259662|batch #259662]]"
  6. 20w ago · Github-wiki-bot bot · 2026-05-18 view diff on Wikidata ↗
    Software version identifier → 3.0.2, 3.0.3, 3.1.0 +300
    "/* wbsetclaim-create:1||1 */ [[Property:P348]]: 3.8.17, Update with GitHub data ([[:toollabs:editgroups/b/CB/2b6d11566eed|details]])"
  7. 20w ago · Mindmatrix · 2026-05-16 view diff on Wikidata ↗
    Software version identifier → 3.0.2, 3.0.3, 3.1.0 +300
    "/* wbsetclaim-update:2||1|2 */ [[Property:P348]]: 3.11.3"
  8. 22w ago · Github-wiki-bot bot · 2026-05-02 view diff on Wikidata ↗
    Slackbuilds package → —
    Freebase id → /m/04nh2c
    Viaf cluster id → 182794383
    Instance of → message transfer agent, free software
    + 86 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P348]]: 3.8.16, Update with GitHub data ([[:toollabs:editgroups/b/CB/b67efbefc0d9|details]])"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.