85 lines
2.3 KiB
Nix
85 lines
2.3 KiB
Nix
# nixos-mailserver: a simple mail server
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# Copyright (C) 2016 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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let
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domain = "example.com";
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host_prefix = "mail";
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login_accounts = [ "user1" "user2" ];
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vmail_id_start = 5000;
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vmail_user_name = "vmail";
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vmail_group_name = "vmail";
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mail_dir = "/var/vmail";
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cert_file = "mail-server.crt";
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key_file = "mail-server.key";
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enable_imap = true;
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enable_pop3 = false;
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in
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let
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dovecot_maildir = "maildir:" + mail_dir + "/%d/%n/";
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vmail_user = [{
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name = vmail_user_name;
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isNormalUser = false;
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uid = vmail_id_start;
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home = mail_dir;
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createHome = true;
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group = vmail_group_name;
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}];
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accountsToUser = x: {
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name = x + "@" + domain;
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isNormalUser = false;
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group = vmail_group_name;
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};
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mail_user = map accountsToUser login_accounts;
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in
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{
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networking.hostName = host_prefix + "." + domain;
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environment.systemPackages = with pkgs; [
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dovecot opendkim openssh postfix clamav rspamd rmilter
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];
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# set the vmail gid to a specific value
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users.groups = {
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vmail = { gid = vmail_id_start; };
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};
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# define all users
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users.extraUsers = vmail_user ++ mail_user;
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# postfix
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services.postfix = {
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enable = true;
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networksStyle = "host";
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};
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# rspamd
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services.rspamd = {
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enable = true;
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};
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# dovecot
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# set the correct permissions for dovecot vmail folder. see
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# http://wiki2.dovecot.org/SharedMailboxes/Permissions
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systemd.services.dovecot2.preStart = "chmod 02770 /var/vmail";
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services.dovecot2 = {
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enable = true;
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enableImap = enable_imap;
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enablePop3 = enable_pop3;
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mailGroup = vmail_group_name;
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mailUser = vmail_user_name;
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mailLocation = dovecot_maildir;
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};
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}
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