128 lines
3.5 KiB
Nix
128 lines
3.5 KiB
Nix
# nixos-mailserver: a simple mail server
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# Copyright (C) 2016-2017 Robin Raymond
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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{ config, pkgs, ... }:
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let
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#
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# The domain that this mail server serves. So far only one domain is supported
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#
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domain = "example.com";
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#
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# The prefix of the FQDN of the server. In this example the FQDN of the server
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# is given by 'mail.example.com'
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#
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host_prefix = "mail";
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#
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# The login account of the domain. Every account is mapped to a unix user,
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# e.g. `user1@example.com`.
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#
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login_accounts = [ "user1" "user2" ];
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#
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# Virtual Aliases. A virtual alias { from = "info"; to = "user1"; } means that
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# all mail to `info@example.com` is forwarded to `user1@example.com`. Note
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# that it is expected that `postmaster@example.com` and `abuse@example.com` is
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# forwarded to some valid email address. (Alternatively you can create login
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# accounts for `postmaster` and (or) `abuse`).
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#
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valiases = [
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{ from = "info";
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to = "user1";
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}
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{ from = "postmaster";
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to = "user1";
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}
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{ from = "abuse";
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to = "user1";
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}
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];
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#
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# The unix UID where the login_accounts are created. 5000 means that the first
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# user will get 5000, the second 5001, ...
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#
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vmail_id_start = 5000;
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#
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# The user name and group name of the user that owns the directory where all
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# the mail is stored.
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#
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vmail_user_name = "vmail";
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vmail_group_name = "vmail";
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#
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# Where to store the mail.
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#
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mail_dir = "/var/vmail";
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#
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# Certificate Files. There are three options for these.
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#
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# 1) You specify locations and manually copy certificates there.
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# 2) You let the server create new (self signed) certificates on the fly.
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# 3) You let the server create a certificate via `Let's Encrypt`. Not that
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# this implies that a stripped down webserver has to be started.
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#
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cert_file = "mail-server.crt";
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key_file = "mail-server.key";
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#
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# Whether to enable imap / pop3. Both variants are only supported in the
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# (sane) startTLS configuration. (TODO: Allow SSL ports). The ports are
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#
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# 110 - Pop3
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# 143 - IMAP
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# 587 - SMTP with login
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#
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enable_imap = true;
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enable_pop3 = false;
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imap_ssl = false;
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pop3_ssl = false;
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#
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# Whether to activate virus scanning. Note that virus scanning is _very_
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# expensive memory wise.
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#
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virus_scanning = false;
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in
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{
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services = import ./mail-server/services.nix {
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inherit mail_dir vmail_user_name vmail_group_name valiases domain
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enable_imap enable_pop3;
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};
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environment = import ./mail-server/environment.nix {
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inherit pkgs;
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};
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networking = import ./mail-server/networking.nix {
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inherit domain host_prefix;
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};
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systemd = import ./mail-server/systemd.nix {
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inherit mail_dir vmail_group_name;
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};
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users = import ./mail-server/users.nix {
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inherit vmail_id_start vmail_user_name vmail_group_name domain mail_dir
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login_accounts;
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};
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}
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