161 lines
5.2 KiB
Markdown
161 lines
5.2 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 20.09
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- Use the [SNM branch `nixos-20.09`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-20.09)
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- [Documentation](https://nixos-mailserver.readthedocs.io/en/nixos-20.09/)
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- [Release notes](https://nixos-mailserver.readthedocs.io/en/nixos-20.09/release-notes.html#nixos-20-09)
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* For NixOS 20.03
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- Use the [SNM branch `nixos-20.03`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-20.03)
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- [Release notes](#nixos-2003)
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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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- This branch is currently supporting the NixOS release 20.09 but
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we could remove this support on any NixOS unstable breaking
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change.
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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. All announcements are signed by
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the gpg key with fingerprint
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```
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D9FE 4119 F082 6F15 93BD BD36 6162 DBA5 635E A16A
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```
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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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* 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 a per domain selector
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### Changelog and How to Stay Up-to-Date
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See the [mailing list archive](https://www.freelists.org/archive/snm/)
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### Quick Start
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```nix
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{ config, pkgs, ... }:
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let release = "nixos-20.09";
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in {
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imports = [
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(builtins.fetchTarball {
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url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/${release}/nixos-mailserver-${release}.tar.gz";
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# This hash needs to be updated
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sha256 = "0000000000000000000000000000000000000000000000000000";
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})
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];
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mailserver = {
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enable = true;
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fqdn = "mail.example.com";
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domains = [ "example.com" "example2.com" ];
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loginAccounts = {
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"user1@example.com" = {
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# mkpasswd -m sha-512 "super secret password" > /hashed/password/file/location
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hashedPasswordFile = "/hashed/password/file/location";
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aliases = [
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"info@example.com"
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"postmaster@example.com"
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"postmaster@example2.com"
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];
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};
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};
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};
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}
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```
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For a complete list of options, see `default.nix`.
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## How to Set Up a 10/10 Mail Server Guide
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Check out the [Complete Setup Guide](https://nixos-mailserver.readthedocs.io/en/latest/setup-guide.html) in the project's documentation.
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## How to Backup
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Checkout the [Complete Backup Guide](https://nixos-mailserver.readthedocs.io/en/latest/backup-guide.html). Backups are easy with `SNM`.
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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) wiki page.
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## Release notes
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### nixos-20.03
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- Rspamd is upgraded to 2.0 which deprecates the SQLite Bayes
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backend. We then moved to the Redis backend (the default since
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Rspamd 2.0). If you don't want to relearn the Redis backend from the
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scratch, we could manually run
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rspamadm statconvert --spam-db /var/lib/rspamd/bayes.spam.sqlite --ham-db /var/lib/rspamd/bayes.ham.sqlite -h 127.0.0.1:6379 --symbol-ham BAYES_HAM --symbol-spam BAYES_SPAM
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See the [Rspamd migration
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notes](https://rspamd.com/doc/migration.html#migration-to-rspamd-20)
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and [this SNM Merge
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Request](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/merge_requests/164)
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for details.
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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]: logo/logo.png
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