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# ![Simple Nixos MailServer][logo]
[](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/commits/master)
## Release branches
For each NixOS release, we publish a branch. You then have to use the
SNM branch corresponding to your NixOS version.
* For NixOS 23.05
- Use the [SNM branch `nixos-23.05`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-23.05)
- [Documentation](https://nixos-mailserver.readthedocs.io/en/nixos-23.05/)
- [Release notes](https://nixos-mailserver.readthedocs.io/en/nixos-23.05/release-notes.html#nixos-23-05)
* For NixOS 22.11
- Use the [SNM branch `nixos-22.11`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/nixos-22.11)
- [Documentation](https://nixos-mailserver.readthedocs.io/en/nixos-22.11/)
- [Release notes](https://nixos-mailserver.readthedocs.io/en/nixos-22.11/release-notes.html#nixos-22-11)
* For NixOS unstable
- Use the [SNM branch `master`](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/tree/master)
- [Documentation](https://nixos-mailserver.readthedocs.io/en/latest/)
[Subscribe to SNM Announcement List](https://www.freelists.org/list/snm)
This is a very low volume list where new releases of SNM are announced, so you
can stay up to date with bug fixes and updates.
## Features
### v2.0
* [x] Continous Integration Testing
* [x] Multiple Domains
* Postfix MTA
- [x] smtp on port 25
- [x] submission tls on port 465
- [x] submission starttls on port 587
- [x] lmtp with dovecot
* Dovecot
- [x] maildir folders
- [x] imap with tls on port 993
- [x] pop3 with tls on port 995
- [x] imap with starttls on port 143
- [x] pop3 with starttls on port 110
* Certificates
- [x] manual certificates
- [x] on the fly creation
- [x] Let's Encrypt
* Spam Filtering
- [x] via rspamd
* Virus Scanning
- [x] via clamav
* DKIM Signing
- [x] via opendkim
* User Management
- [x] declarative user management
- [x] declarative password management
* Sieves
- [x] A simple standard script that moves spam
- [x] Allow user defined sieve scripts
- [x] ManageSieve support
* User Aliases
- [x] Regular aliases
- [x] Catch all aliases
### In the future
* DKIM Signing
- [ ] Allow a per domain selector
### Get in touch
- Subscribe to the [mailing list](https://www.freelists.org/archive/snm/)
- Join the Libera Chat IRC channel `#nixos-mailserver`
### Quick Start
```nix
{ config, pkgs, ... }:
let release = "nixos-21.11";
in {
imports = [
(builtins.fetchTarball {
url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/${release}/nixos-mailserver-${release}.tar.gz";
# This hash needs to be updated
sha256 = "0000000000000000000000000000000000000000000000000000";
})
];
mailserver = {
enable = true;
fqdn = "mail.example.com";
domains = [ "example.com" "example2.com" ];
loginAccounts = {
"user1@example.com" = {
# nix-shell -p mkpasswd --run 'mkpasswd -sm bcrypt' > /hashed/password/file/location
hashedPasswordFile = "/hashed/password/file/location";
aliases = [
"info@example.com"
"postmaster@example.com"
"postmaster@example2.com"
];
};
};
};
}
```
For a complete list of options, see `default.nix`.
## How to Set Up a 10/10 Mail Server Guide
Check out the [Complete Setup Guide](https://nixos-mailserver.readthedocs.io/en/latest/setup-guide.html) in the project's documentation.
## Development
See the [How to Develop SNM](https://nixos-mailserver.readthedocs.io/en/latest/howto-develop.html) documentation page.
## Contributors
See the [contributor tab](https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/graphs/master)
### Alternative Implementations
* [NixCloud Webservices](https://github.com/nixcloud/nixcloud-webservices)
### Credits
* send mail graphic by [tnp_dreamingmao](https://thenounproject.com/dreamingmao)
from [TheNounProject](https://thenounproject.com/) is licensed under
[CC BY 3.0](http://creativecommons.org/~/3.0/)
* Logo made with [Logomakr.com](https://logomakr.com)
[logo]: docs/logo.png
|
