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A complete and Simple Nixos Mailserver
376 Commits 40 Branches 22 Tags 167 MiB
Nix 93.7%
Python 5.7%
Sieve 0.3%
Shell 0.3%
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Joey Hewitt 0e6bb4e898 workaround GitLab CI KVM issue 
Their CI environment currently doesn't have KVM.  This commit should be
reverted when/if they do, for much better CI speed.

You can still run tests locally on your KVM-enabled machine as documented
on the wiki.

Workaround on GitLab is several pieces (injected through .gitlab-ci.yml):
- Make a /dev/kvm file so that nix thinks we have "kvm" system feature
and proceeds with executing the tests.
- Inject a QEMU package that replaces qemu-kvm with a full emulator.
- Monkey-patch the test script to wait longer for the VM to boot, since
it's slow on full emulation. 1200 seconds, double the previous value.
The patch method is not bulletproof, but better than maintaining forks of
nixpkgs.
- Set systemd's DefaultTimeoutStartSec=15min, so nix's "backdoor" test
service doesn't time out on the slow boot.
2019-07-07 21:47:09 -06:00
logo add logo 2017-09-13 14:03:04 +02:00
mail-server Disable TLSv1.0 and deprecated ciphers. 2019-06-21 11:09:30 +02:00
nixops fix nixops file 2019-05-03 13:11:47 +02:00
tests workaround GitLab CI KVM issue 2019-07-07 21:47:09 -06:00
.editorconfig Remove makefile section from editorconfig 2017-11-11 09:47:25 +00:00
.gitignore add gitignore file for result links 2017-12-21 11:55:22 +01:00
.gitlab-ci.yml workaround GitLab CI KVM issue 2019-07-07 21:47:09 -06:00
default.nix postfix: allow configuring message_size_limit 2018-11-23 14:29:23 +00:00
LICENSE Initial commit 2016-07-21 18:09:04 +02:00
README.md correct checksum 2019-05-03 17:35:33 +02:00
shell.nix ci: store Clamav DB in LFS 2018-08-18 15:13:25 +09:30
update.sh add updater script 2017-12-21 11:52:07 +01:00

README.md

Simple Nixos MailServer

license pipeline status

Stable Releases

Latest Release (Candidate)

Subscribe to SNM Announcement List 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. All announcements are signed by the gpg key with fingerprint

D9FE 4119 F082 6F15 93BD  BD36 6162 DBA5 635E A16A

Features

v2.0

  • Continous Integration Testing
  • Multiple Domains
  • Postfix MTA
    • smtp on port 25
    • submission port 587
    • lmtp with dovecot
  • Dovecot
    • maildir folders
    • imap starttls on port 143
    • pop3 starttls on port 110
  • Certificates
    • manual certificates
    • on the fly creation
    • Let's Encrypt
  • Spam Filtering
    • via rspamd
  • Virus Scanning
    • via clamav
  • DKIM Signing
    • via opendkim
  • User Management
    • declarative user management
    • declarative password management
  • Sieves
    • A simple standard script that moves spam
    • Allow user defined sieve scripts
    • ManageSieve support
  • User Aliases
    • Regular aliases
    • Catch all aliases

In the future

  • DKIM Signing
    • Allow a per domain selector

Changelog and How to Stay Up-to-Date

See the mailing list archive

Quick Start

{ config, pkgs, ... }:
{
  imports = [
    (builtins.fetchTarball {
      url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/v2.2.1/nixos-mailserver-v2.2.1.tar.gz";
      sha256 = "03d49v8qnid9g9rha0wg2z6vic06mhp0b049s3whccn1axvs2zzx";
    })
  ];

  mailserver = {
    enable = true;
    fqdn = "mail.example.com";
    domains = [ "example.com" "example2.com" ];
    loginAccounts = {
        "user1@example.com" = {
            hashedPassword = "$6$/z4n8AQl6K$kiOkBTWlZfBd7PvF5GsJ8PmPgdZsFGN1jPGZufxxr60PoR0oUsrvzm2oQiflyz5ir9fFJ.d/zKm/NgLXNUsNX/";

            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 in the project's wiki.

How to Backup

Checkout the Complete Backup Guide. Backups are easy with SNM.

Development

See the How to Develop SNM wiki page.

Contributors

See the contributor tab

Alternative Implementations

Credits