FOS-0104
ACTIVE verified 2026-09-07
KaiMail
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.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Contact KaiMail and tell them about your project or community ("tell us about it and we will get you set up").
Provenance
Confirmed against kaimail.net/blog/email-for-open-source/tokyo-python-meetup-april-2026-email-in-python on 2026-09-07, matched anchor “offer a free program for open source”.