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1873ed0908
As the ecosystems around us evolve so should the NixOS mailserver project. DKIM signing could be improved by allowing users to treat DKIM keys like a secret that they would commonly manage through agenix/sops/etc. Forwarding mail these days requires SRS and possibly ARC. The latter has already become a required feature for bulk message to iCloud[1] and Google Mail[3]. I propose that we stay ahead of the curve by adding support for these features. LDAP user management was added, but one pain point is that we currently prevent it from coexisting with declarative users. And finally Oauth (via RFC7628[3]) is the new kid on the block that everyone wants to try out, but most notably client support[4] for hosting this yourself is not quite there yet. [1] https://support.apple.com/en-us/102322 [2] https://support.google.com/a/answer/81126?hl=en#zippy=%2Crequirements-for-all-senders%2Crequirements-for-sending-or-more-messages-per-day [3] https://www.rfc-editor.org/rfc/rfc7628.html [4] https://bugzilla.mozilla.org/show_bug.cgi?id=1602166
107 lines
4.1 KiB
Markdown
107 lines
4.1 KiB
Markdown
# ![Simple Nixos MailServer][logo]
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[](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/commits/master)
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## Release branches
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For each NixOS release, we publish a branch. You then have to use the
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SNM branch corresponding to your NixOS version.
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* For NixOS 24.11
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- Use the [SNM branch `nixos-24.11`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-24.11)
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- [Documentation](https://nixos-mailserver.readthedocs.io/en/nixos-24.11/)
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- [Release notes](https://nixos-mailserver.readthedocs.io/en/nixos-24.11/release-notes.html#nixos-24-11)
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* For NixOS 24.05
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- Use the [SNM branch `nixos-24.05`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-24.05)
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- [Documentation](https://nixos-mailserver.readthedocs.io/en/nixos-24.05/)
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- [Release notes](https://nixos-mailserver.readthedocs.io/en/nixos-24.05/release-notes.html#nixos-24-05)
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* For NixOS unstable
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- Use the [SNM branch `master`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/master)
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- [Documentation](https://nixos-mailserver.readthedocs.io/en/latest/)
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[Subscribe to SNM Announcement List](https://www.freelists.org/list/snm)
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This is a very low volume list where new releases of SNM are announced, so you
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can stay up to date with bug fixes and updates.
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## Features
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### v2.0
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* [x] Continous Integration Testing
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* [x] Multiple Domains
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* Postfix MTA
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- [x] smtp on port 25
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- [x] submission tls on port 465
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- [x] submission starttls on port 587
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- [x] lmtp with dovecot
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* Dovecot
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- [x] maildir folders
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- [x] imap with tls on port 993
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- [x] pop3 with tls on port 995
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- [x] imap with starttls on port 143
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- [x] pop3 with starttls on port 110
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* Certificates
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- [x] manual certificates
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- [x] on the fly creation
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- [x] Let's Encrypt
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* Spam Filtering
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- [x] via rspamd
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* Virus Scanning
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- [x] via clamav
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* DKIM Signing
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- [x] via opendkim
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* User Management
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- [x] declarative user management
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- [x] declarative password management
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- [x] LDAP users
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* Sieves
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- [x] A simple standard script that moves spam
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- [x] Allow user defined sieve scripts
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- [x] ManageSieve support
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* User Aliases
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- [x] Regular aliases
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- [x] Catch all aliases
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### In the future
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* DKIM Signing
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- [ ] Allow per domain selectors
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- [ ] Allow passing DKIM signing keys
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* Improve the Forwarding Experience
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- [ ] Support [ARC](https://en.wikipedia.org/wiki/Authenticated_Received_Chain) signing with [Rspamd](https://rspamd.com/doc/modules/arc.html)
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- [ ] Support [SRS](https://en.wikipedia.org/wiki/Sender_Rewriting_Scheme) with [postsrsd](https://github.com/roehling/postsrsd)
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* User management
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- [ ] Allow local and LDAP user to coexist
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* OpenID Connect
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- Depends on relevant clients adding support, e.g. [Thunderbird](https://bugzilla.mozilla.org/show_bug.cgi?id=1602166)
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### Get in touch
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- Subscribe to the [mailing list](https://www.freelists.org/archive/snm/)
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- Join the Libera Chat IRC channel `#nixos-mailserver`
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## How to Set Up a 10/10 Mail Server Guide
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Check out the [Setup Guide](https://nixos-mailserver.readthedocs.io/en/latest/setup-guide.html) in the project's documentation.
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For a complete list of options, [see in readthedocs](https://nixos-mailserver.readthedocs.io/en/latest/options.html).
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## Development
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See the [How to Develop SNM](https://nixos-mailserver.readthedocs.io/en/latest/howto-develop.html) documentation page.
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## Contributors
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See the [contributor tab](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/graphs/master)
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### Alternative Implementations
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* [NixCloud Webservices](https://github.com/nixcloud/nixcloud-webservices)
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### Credits
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* send mail graphic by [tnp_dreamingmao](https://thenounproject.com/dreamingmao)
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from [TheNounProject](https://thenounproject.com/) is licensed under
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[CC BY 3.0](http://creativecommons.org/~/3.0/)
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* Logo made with [Logomakr.com](https://logomakr.com)
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[logo]: docs/logo.png
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