# Mailman Core

> module responsible for sending and receiving emails

**Wikidata**: [Q105646358](https://www.wikidata.org/wiki/Q105646358)  
**Source**: https://4ort.xyz/entity/mailman-core

## Summary
Mailman Core is a free software module responsible for sending and receiving emails, developed in Python and distributed under free software licenses. It is part of the Mailman Suite, a mailing list management system, and runs on BSD-based Unix-like operating systems.

## Key Facts
- **Part of**: Mailman Suite, a mailing list software system
- **Programming language**: Python
- **Operating system**: BSD-based Unix-like systems
- **License**: Free software (distributed under terms allowing users to run, study, change, and distribute it)
- **Latest stable version**: 3.3.2 (released on 2020-11-07)
- **Source code repository**: Hosted on GitLab at [https://gitlab.com/mailman/mailman.git](https://gitlab.com/mailman/mailman.git)
- **Issue tracker**: Available at [https://gitlab.com/mailman/mailman/issues](https://gitlab.com/mailman/mailman/issues)
- **IRC channel**: irc://irc.freenode.net/mailman
- **Mailing list archive**: [https://mail.python.org/archives/list/mailman-announce@python.org/](https://mail.python.org/archives/list/mailman-announce@python.org/)
- **Aliases**: mailman3, mailman

## FAQs
### Q: What is Mailman Core used for?
A: Mailman Core is used for sending and receiving emails within the Mailman Suite, a mailing list management system. It handles email processing, distribution, and management for mailing lists.

### Q: Is Mailman Core free software?
A: Yes, Mailman Core is distributed under free software licenses, allowing users to run, study, change, and distribute it and modified versions.

### Q: What programming language is Mailman Core written in?
A: Mailman Core is written in Python, a general-purpose programming language.

### Q: Where can I find the source code for Mailman Core?
A: The source code for Mailman Core is hosted on GitLab at [https://gitlab.com/mailman/mailman.git](https://gitlab.com/mailman/mailman.git).

### Q: What is the latest stable version of Mailman Core?
A: The latest stable version of Mailman Core is 3.3.2, released on November 7, 2020.

## Why It Matters
Mailman Core is a critical component of the Mailman Suite, a widely used mailing list management system. It enables organizations, communities, and individuals to create and manage email-based discussion groups efficiently. By handling email sending and receiving, Mailman Core simplifies the process of organizing and moderating mailing lists, making it easier for users to engage in online discussions. Its free software status ensures accessibility and customization, allowing users to adapt the software to their specific needs. The system's reliance on Python and BSD-based operating systems ensures compatibility and reliability. Mailman Core's role in facilitating communication and collaboration makes it an essential tool for digital communities worldwide.

## Notable For
- **Free software**: Distributed under terms that allow users to freely run, study, change, and distribute it.
- **Python-based**: Developed using Python, a widely used programming language.
- **Part of Mailman Suite**: Integral to the broader Mailman Suite, a comprehensive mailing list management system.
- **BSD compatibility**: Runs on BSD-based Unix-like operating systems, ensuring broad compatibility.
- **Active development**: Regular updates and releases, with the latest stable version being 3.3.2.

## Body
### Overview
Mailman Core is a module within the Mailman Suite, designed to handle email sending and receiving. It is part of a broader system that manages mailing lists, allowing users to create, moderate, and distribute email-based discussions.

### Development and Licensing
- **Programming language**: Python, a general-purpose programming language first released in 1991.
- **License**: Free software, distributed under terms that allow users to run, study, change, and distribute it.
- **Copyright holder**: The Free Software Foundation (FSF), a nonprofit organization promoting free software.

### Versions and Releases
- **Initial release**: Mailman Core 3.0 was released on April 28, 2015.
- **Latest stable version**: 3.3.2, released on November 7, 2020.
- **Version history**: Includes releases such as 3.0.1 (November 15, 2015), 3.0.3 (March 29, 2016), 3.1.1 (November 18, 2017), and 3.2.0 (July 10, 2018).

### Technical Details
- **Operating system**: BSD-based Unix-like systems.
- **Source code repository**: Hosted on GitLab at [https://gitlab.com/mailman/mailman.git](https://gitlab.com/mailman/mailman.git).
- **Issue tracker**: Available at [https://gitlab.com/mailman/mailman/issues](https://gitlab.com/mailman/mailman/issues).
- **IRC channel**: irc://irc.freenode.net/mailman for community support and discussions.

### Distribution and Packaging
- **Package names**: mailman3, mailman3-doc, mailman3-full (Debian), python-mailman, python3-mailman (openSUSE), mailman-core-git (AUR).
- **PyPI project**: mailman, available on the Python Package Index.
- **FreeBSD port**: mail/mailman3.

### Community and Support
- **Mailing list archive**: [https://mail.python.org/archives/list/mailman-announce@python.org/](https://mail.python.org/archives/list/mailman-announce@python.org/) for announcements and updates.
- **Guix package**: mailman, available in the GNU Guix package manager.

## References

1. [GNU Mailman 3.0](https://mail.python.org/pipermail/mailman-announce/2015-April/000210.html)
2. [GNU Mailman 3.0.1](https://mail.python.org/pipermail/mailman-announce/2015-November/000214.html)
3. [Mailman Core 3.0.3](https://mail.python.org/pipermail/mailman-announce/2016-March/000222.html)
4. [Source](https://gitlab.com/mailman/mailman/tags/3.1.1)
5. [Announcing Mailman Suite 3.2 release](https://mail.python.org/pipermail/mailman-announce/2018-July/000239.html)
6. [Source](https://gitlab.com/mailman/mailman/-/tags/3.2.1)
7. [Source](https://gitlab.com/mailman/mailman/-/tags/3.3.0)
8. [Source](https://gitlab.com/mailman/mailman/-/tags/3.2.2)
9. [Mailman Core 3.3.1 release](https://mail.python.org/pipermail/mailman-announce/2020-April/000251.html)
10. [Mailman Core 3.3.2 is now out](https://mail.python.org/archives/list/mailman-announce@python.org/thread/MMBXKIQ7HJP3KPGF2EMQQFGSC5IWYVS5/)
11. [Core, Hyperkitty and Postorius releases. 2021](https://mail.python.org/archives/list/mailman-announce@python.org/thread/NFAKFSQHCS4NYG5RYFFINK7JBICJQOUJ/)
12. [Mailman Core 3.3.4 is now out. 2021](https://mail.python.org/archives/list/mailman-announce@python.org/message/HLYEER2J7PAYEVLUCJZDYNXL7XA4GHPL/)
13. [Ann: Mailman Core 3.3.5 is out. 2021](https://mail.python.org/archives/list/mailman-announce@python.org/message/WTQVLI54QZ7PWABHI64BPISGVZUUIALN/)
14. [New Mailman Releases. 2022](https://mail.python.org/archives/list/mailman-announce@python.org/thread/LZJKYTXWBFBX35WAZFKDCZTZSJRINLSJ/)
15. [New Mailman Core Release. 2022](https://mail.python.org/archives/list/mailman-announce@python.org/thread/JV5ESTELP3WCMNYACAN6G777HCCGIZMO/)
16. [New year releases!. 2023](https://mail.python.org/archives/list/mailman-announce@python.org/thread/YDUYHVWBGBLASJHAYE2PQKY2F7PNEIKP/)
17. [Mailman Core 3.3.9 Release. 2023](https://mail.python.org/archives/list/mailman-announce@python.org/thread/K4XUNWIQIV6L7IOVBN3ZREBUNMJYEY4A/)
18. [Mailman Core release. 2024](https://mail.python.org/archives/list/mailman-announce@python.org/thread/FHMH57OS4GQAH4JLZBOAHJW5EYAAOSMZ/)
19. [Source](https://packages.debian.org/source/bullseye/mailman3)
20. [Source](https://guix.gnu.org/en/packages/mailman-3.3.2/)
21. [Source](https://mail.python.org/mailman3/lists/mailman-announce.python.org/)