jcoffey-dev
604d889220
brand_version! goes to 2026.9.20 (SPEC.md 2.6: YYYY.M.D), the version this release is tagged at. Verified from the built binary rather than the source: --version prints "2026.9.20 (Stalwart 0.16.22)" and --help leads with "INBUXA Server 2026.9.20 (Stalwart 0.16.22)". install.sh still said "See https://inbuxa.org once it's up", which stopped being true when the site went up this morning, and offered nothing but a cargo line. It now names both ways to build, says what a server with no configuration does, and points at the releases page and the docs. The installer it stands in for is still unbuilt (SPEC.md 6.1), and the script says so plainly: an installer trusted with a mail host is not a thing to improvise, so it declines rather than half-doing one. README: inbuxa.org is up, so stop saying it is not, and link the docs.
71 lines
3.1 KiB
Markdown
71 lines
3.1 KiB
Markdown
<p align="center">
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<img src="./img/brand/inbuxa-lockup-light.svg" alt="inbuxa" height="140">
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</p>
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<h3 align="center">
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A complete mail and collaboration server, every feature included, under the AGPL
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</h3>
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---
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**INBUXA** is a mail and collaboration server: JMAP, IMAP, POP3, SMTP,
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CalDAV, CardDAV and WebDAV, in one Rust binary, with ihasmail as its web front
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end. It is a fork of [Stalwart](https://github.com/stalwartlabs/stalwart).
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Project site: [inbuxa.org](https://inbuxa.org). Documentation: [docs.inbuxa.org](https://docs.inbuxa.org).
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Stalwart ships some features only in a paid Enterprise Edition: multi-tenancy,
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masked email, undelete and others. INBUXA ships everything to everybody under
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the AGPL-3.0, rebuilding those features independently and without using any
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of Stalwart's Enterprise code.
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## What's different from Stalwart
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- **Every feature, one edition.** No license key, no edition checks, no
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upsell. See `docs/spec/SPEC.md` §4 for the features being rebuilt, and
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`docs/spec/features/` for each one's specification.
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- **Webmail and administration by ihasmail,** as a separate service that can
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run beside the server or elsewhere. Stalwart's own web interface is removed,
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so there's no web front end on the mail host.
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- **Clean-room rebuilds.** Enterprise-only code is stripped from every
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upstream release before it's imported. The rebuilt features are written
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from specifications that use only public sources (`docs/spec/SPEC.md` §3).
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## How the fork is kept
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Upstream releases arrive as stripped snapshots, never with upstream's git
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history, which contains Enterprise code. `tools/fork/strip.py` builds each
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snapshot on top of upstream's own `ossify.py`, then verifies it independently.
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The report for every import is in `docs/fork/strip-reports/`. See
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`docs/spec/SPEC.md` §2.
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## Building
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```bash
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cargo build --release -p inbuxa # the binary is target/release/inbuxa
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docker build -t inbuxa . # or the container image
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```
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Settings are read from `INBUXA_*` environment variables. An existing Stalwart
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install's `STALWART_*` variables still work, with a warning to rename them.
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New installs keep their data in `/var/lib/inbuxa` and logs in
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`/var/log/inbuxa`. Existing installs keep the paths their configuration
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already names, so none of their data moves.
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## License and credits
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INBUXA is free software under the [GNU Affero General Public License,
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version 3](./LICENSES/AGPL-3.0-only.txt).
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It is a fork of Stalwart, copyright © Stalwart Labs LLC, **modified by
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Coffey Labs in 2026**. Upstream's copyright notices are kept on every file
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they cover, and every upstream file this fork changed says so in its header,
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under the notice it came with. Stalwart's files are dual-licensed
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AGPL-3.0-only or Stalwart's Enterprise License, and INBUXA takes them under
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the AGPL-3.0 only. A few of those files also carry code from other projects
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under MIT or BSD licenses, which stays under those licenses;
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[THIRD-PARTY.md](./THIRD-PARTY.md) lists it with its notices. "Stalwart" is
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Stalwart Labs' name. INBUXA isn't affiliated with or endorsed by Stalwart
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Labs.
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The INBUXA mark reuses ihasmail's cat-and-envelope artwork.
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