# KaiMail free for open source

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

- Website: https://kaimail.net
- Categories: email

## KaiMail email forwarding for custom domains

**What you get.** Free program for open source projects and volunteer communities to use their own domain for email: custom-domain addresses (e.g. contact@, sponsors@, security@) with forwarding, DKIM/ARC signing, no mail server, no per-seat fees.

**Who qualifies.** Applies to the project. Open source projects and volunteer communities; detailed criteria not published, set up per request.

**How to apply.** Contact KaiMail and tell them about your project or community ("tell us about it and we will get you set up").

Program page: https://kaimail.net/blog/email-for-open-source/tokyo-python-meetup-april-2026-email-in-python/

Verified 2026-09-07 - manual: KaiMail blog (April 2026) live, states free program for open source projects and volunteer communities to use their own domain

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