# Mailman 3 free for open source

What Mailman 3 gives open source projects, who qualifies, and how to apply. 1 verified offer, last checked 2026-09-07.

- Website: https://mailman3.com
- Categories: email

## Hosted Mailman 3 mailing lists

**What you get.** Free hosting of GNU Mailman 3 mailing lists on the mailman3.com SaaS for open source software projects ("We love open-source software and provide free hosting for OSS mailing lists").

**Who qualifies.** Applies to the project. Must be an open source software project; no further published criteria, applications are reviewed per request.

**How to apply.** Email hostmaster@mailman3.com with the project URL and approximate monthly email volume.

Program page: https://mailman3.com/

Verified 2026-09-07 - manual: site live, states free hosting for OSS mailing lists, apply via hostmaster@mailman3.com

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