nixos-mailserver/mail-server.nix

75 lines
2.0 KiB
Nix

# nixos-mailserver: a simple mail server
# Copyright (C) 2016 Robin Raymond
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
{ config, pkgs, ... }:
let
dovecot_maildir = "maildir:" + mail_dir + "/%d/%n/";
vmail_user = [{
name = vmail_user_name;
isNormalUser = false;
uid = vmail_id_start;
home = mail_dir;
createHome = true;
group = vmail_group_name;
}];
accountsToUser = x: {
name = x + "@" + domain;
isNormalUser = false;
group = vmail_group_name;
};
mail_user = map accountsToUser login_accounts;
in
{
networking.hostName = host_prefix + "." + domain;
environment.systemPackages = with pkgs; [
dovecot opendkim openssh postfix clamav rspamd rmilter
];
# set the vmail gid to a specific value
users.groups = {
vmail = { gid = vmail_id_start; };
};
# define all users
users.extraUsers = vmail_user ++ mail_user;
# postfix
services.postfix = {
enable = true;
networksStyle = "host";
};
# rspamd
services.rspamd = {
enable = true;
};
# dovecot
# set the correct permissions for dovecot vmail folder. see
# http://wiki2.dovecot.org/SharedMailboxes/Permissions
systemd.services.dovecot2.preStart = "chmod 02770 /var/vmail";
services.dovecot2 = {
enable = true;
enableImap = enable_imap;
enablePop3 = enable_pop3;
mailGroup = vmail_group_name;
mailUser = vmail_user_name;
mailLocation = dovecot_maildir;
};
}