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sums001/OpenInbox

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Can I trust it?

Worth a closer look before you use it.

  • Warnings Check

    Very new: it was created 5 days ago. Wait a little before installing it.

  • Stars from real accounts No data

    We haven't checked its stars for fakes yet.

  • Active OK

    Last change today.

  • Licence OK

    MIT: you can use it for free, also in a commercial product. Keep the licence notice.

Quick checks from public data. They help, but they are no guarantee.

What it is

Self-hosted business email that runs in your own Cloudflare account as one Worker and one D1 database. It receives mail through Cloudflare Email Routing and sends through Resend, Brevo, Mailjet or SMTP, with unlimited users, mailboxes, aliases and domains.

Who it's for

Developers, small teams and freelancers who want free business email on their own domains

How to use it

Ready-made installers, when the project publishes them, are on its latest release.

Downloads (if any)

Ask your AI to set it up

Paste this into Claude, ChatGPT or your coding assistant.

Help me install and set up sums001/OpenInbox in my project. Follow its README: https://github.com/sums001/OpenInbox. Explain each step and check it is safe before running anything.

Read the README

Star curve

50From 0 to 50 stars between 23 Oct 2026 and 28 Oct 2026.

Alternatives

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