# OpenSMTPD

> SMTP server

**Wikidata**: [Q7095873](https://www.wikidata.org/wiki/Q7095873)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/OpenSMTPD)  
**Source**: https://4ort.xyz/entity/opensmtpd


## References

1. [Source](http://openbsd.su/src/usr.sbin/smtpd/smtpd.c)
2. [The opensmptd Open Source Project on Open Hub: Languages Page. Open Hub](https://www.openhub.net/p/opensmptd/analyses/latest/languages_summary)
3. [Source](https://www.opensmtpd.org/announces/release-6.0.1.txt)
4. [Source](https://www.opensmtpd.org/announces/release-6.0.3.txt)
5. [OpenSMTPD. 2018](https://www.opensmtpd.org/)
6. [Source](https://www.opensmtpd.org/archives/)
7. [Source](https://www.mail-archive.com/misc@opensmtpd.org/msg04443.html)
8. [Source](https://www.opensmtpd.org/announces/release-6.6.0.txt)
9. [OpenSMTPD 7.3.0p0 released. 2023](https://marc.info/?l=openbsd-announce&m=168698907306442&w=2)
10. [OpenSMTPD 7.3.0p1 released. 2023](https://www.mail-archive.com/misc@opensmtpd.org/msg05909.html)
11. [OpenSMTPD 7.4.0p0 Released. 2023](https://marc.info/?l=openbsd-announce&m=169821922816917&w=2)
12. [OpenSMTPD 7.4.0p1 Released. 2023](https://marc.info/?l=openbsd-announce&m=170012963318854&w=2)
13. [OpenSMTPD 7.5.0p0 Released. 2024](https://marc.info/?l=openbsd-announce&m=171273834612858&w=2)
14. [OpenSMTPD 7.6.0p0 Released. 2024](https://marc.info/?l=openbsd-announce&m=172885286530839&w=2)
15. [OpenSMTPD 7.7.0p0 released. 2025](https://marc.info/?l=openbsd-announce&m=174714697702465&w=2)
16. [Release 6.6.1. 2019](https://github.com/OpenSMTPD/OpenSMTPD/releases/tag/6.6.1)
17. [OpenSMTPD 7.8.0p0. 2025](https://marc.info/?l=openbsd-announce&m=176190613618695&w=2)
18. [Source](https://www.opensmtpd.org/)
19. [Source](http://www.h-online.com/open/news/item/OpenBSD-5-3-introduces-stable-SMTPD-1854169.html)
20. [Source](https://poolp.org/0x9162/OpenSMTPD-5.3-released)