Project Summary
GNU Mailman is software to help manage email discussion lists and e-newsletters. Its integrated Web interface provides easy-to-use access for list members and list administrators. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, topics, Usenet gateways, and more. It is fully internationalized, and supports digests and email commands. It runs on any Linux or Unix-like operating system and is compatible with most email and Web servers, mail readers, and Web browsers.
In a Nutshell, Mailman...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 13 years of effort (COCOMO model)
starting with its first commit in January, 1998
ending with its most recent commit 1 day ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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in 2016, 47% of companies did not have formal process in place to track OS code
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anyone with an Open Hub account can update a project's tags
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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30 Day SummaryApr 28 2025 — May 28 2025
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12 Month SummaryMay 28 2024 — May 28 2025
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