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# nixos-mailserver: a simple mail server
# Copyright (C) 2016-2017 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, lib, ... }:
let
cfg = config.mailserver;
clamav = if cfg.virusScanning
then
''
clamav {
servers = /var/run/clamav/clamd.ctl;
};
''
else "";
dkim = if cfg.dkimSigning
# Note: domain = "*"; causes Rmilter to try to search key in the key path
# as keypath/domain.selector.key for any domain.
then
''
dkim {
domain {
key = "${cfg.dkimKeyDirectory}";
domain = "*";
selector = "${cfg.dkimSelector}";
};
sign_alg = sha256;
auth_only = yes;
}
''
else "";
in
{
config = with cfg; lib.mkIf enable {
services.rspamd = {
enable = true;
};
services.unbound.enable = true;
networking.nameservers = [ "127.0.0.1" ];
services.rmilter = {
inherit debug;
enable = true;
postfix.enable = true;
rspamd = {
enable = true;
extraConfig = "extended_spam_headers = yes;";
};
extraConfig =
''
use_redis = true;
max_size = 20M;
${clamav}
${dkim}
'';
};
};
}
|
