Postfix (software)

Article summary

Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail. It is released under the IBM Public License 1.0 which is a free software license. Alternatively, starting with version 3.2.5, it is available under the Eclipse Public License 2.0 at the user's option. Originally written in 1997 by Wietse Venema at the IBM Thomas J. Watson Research Center in New York, and first released in December 1998, Postfix continues to be actively developed by its creator and other contributors. The software is also known by its former names VMailer and IBM Secure Mailer. The name Postfix is a compound of "post" (which is another word for "mail") and "bugfix" (which is for other software that inspired Postfix development).

Key claims

1. publication date: 2026-08-01 — source: Wikipedia · confidence 0.95
2. release date: 1998 — source: Wikipedia · confidence 0.95

Discussion questions

1. Summarise the article in your own words. Which single claim would you verify first, and why?
2. The record states that the publication date is "2026-08-01". What evidence would count against this claim?
3. The record states that the release date is "1998". What evidence would count against this claim?
4. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
5. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

1. Wikipedia https://en.wikipedia.org/w/index.php?oldid=1376666651