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A complete and Simple Nixos Mailserver
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Brian Olsen 8a27b941bf Start dovecot before postfix and add target for certificates 
It seemed weird to me that preStart on postfix was used to generate
files not needed directly by postfix and for the self-signed
certificate which is also needed by dovecot. nginx.service was also
used as a proxy for when ACME certificate generation was done.

So I have created mailserver-certificates.target for when certificates
are available for other services. For self-signed that means that a
new oneshot service called mailserver-selfsigned-certificate has been
run. And for ACME this means that the target
acme-selfsigned-certificates has been reached (which is when acme has
created the self-signed certificates used before the actual
certificates provided by LetsEncrypt are created). This setup has the
added bonus that if you want to run a service to provide your own
certificates you can set that to run before
mailserver-certificates.target.

DH Parameters are only needed by dovecot so generation of that file has
been moved to the dovecot2 preStart.

And lastly the only remaining reason to for dovecot to start before
postfix was that the auth and lmtp sockets where located in a directory
created by postfix. But since they could just as well be located in
/run/dovecot2 as long as postfix has access to them I have moved them
there.
2018-06-29 21:35:16 +09:30
logo add logo 2017-09-13 14:03:04 +02:00
mail-server Start dovecot before postfix and add target for certificates 2018-06-29 21:35:16 +09:30
nixops Fix syntax error in sample nixops config 2017-11-11 09:53:35 +00:00
tests Fog user's hostname in the Message-ID 2018-04-09 22:14:17 +02:00
.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
.travis.yml remove cache 2018-06-09 15:21:21 +02:00
default.nix clean extra whitespaces 2018-06-27 14:48:15 +02:00
ISSUE_TEMPLATE.md Update ISSUE_TEMPLATE.md 2018-02-23 16:29:22 +01:00
LICENSE Initial commit 2016-07-21 18:09:04 +02:00
README.md readme: remove references to github -> gitlab 2018-06-27 14:48:15 +02:00
update.sh add updater script 2017-12-21 11:52:07 +01:00

README.md

Simple Nixos MailServer

license 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

See the mailing list archive

Quick Start

{ config, pkgs, ... }:
{
  imports = [
    (builtins.fetchTarball "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/v2.1.4/nixos-mailserver-v2.1.4.tar.gz")
  ];

  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