96 lines
2.8 KiB
Nix
96 lines
2.8 KiB
Nix
# nixos-mailserver: a simple mail server
|
|
# Copyright (C) 2016-2018 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;
|
|
|
|
postfixCfg = config.services.postfix;
|
|
rspamdCfg = config.services.rspamd;
|
|
rspamdSocket = "rspamd.service";
|
|
in
|
|
{
|
|
config = with cfg; lib.mkIf enable {
|
|
services.rspamd = {
|
|
enable = true;
|
|
inherit debug;
|
|
locals = {
|
|
"milter_headers.conf" = { text = ''
|
|
extended_spam_headers = yes;
|
|
''; };
|
|
"antivirus.conf" = lib.mkIf cfg.virusScanning { text = ''
|
|
clamav {
|
|
action = "reject";
|
|
symbol = "CLAM_VIRUS";
|
|
type = "clamav";
|
|
log_clean = true;
|
|
servers = "/run/clamav/clamd.ctl";
|
|
scan_mime_parts = false; # scan mail as a whole unit, not parts. seems to be needed to work at all
|
|
}
|
|
''; };
|
|
};
|
|
|
|
overrides = {
|
|
"milter_headers.conf" = {
|
|
text = ''
|
|
extended_spam_headers = true;
|
|
'';
|
|
};
|
|
};
|
|
|
|
workers.rspamd_proxy = {
|
|
type = "rspamd_proxy";
|
|
bindSockets = [{
|
|
socket = "/run/rspamd/rspamd-milter.sock";
|
|
mode = "0664";
|
|
}];
|
|
count = 1; # Do not spawn too many processes of this type
|
|
extraConfig = ''
|
|
milter = yes; # Enable milter mode
|
|
timeout = 120s; # Needed for Milter usually
|
|
|
|
upstream "local" {
|
|
default = yes; # Self-scan upstreams are always default
|
|
self_scan = yes; # Enable self-scan
|
|
}
|
|
'';
|
|
};
|
|
workers.controller = {
|
|
type = "controller";
|
|
count = 1;
|
|
bindSockets = [{
|
|
socket = "/run/rspamd/worker-controller.sock";
|
|
mode = "0666";
|
|
}];
|
|
includes = [];
|
|
};
|
|
|
|
};
|
|
systemd.services.rspamd = {
|
|
requires = (lib.optional cfg.virusScanning "clamav-daemon.service");
|
|
after = (lib.optional cfg.virusScanning "clamav-daemon.service");
|
|
};
|
|
|
|
systemd.services.postfix = {
|
|
after = [ rspamdSocket ];
|
|
requires = [ rspamdSocket ];
|
|
};
|
|
|
|
users.extraUsers.${postfixCfg.user}.extraGroups = [ rspamdCfg.group ];
|
|
};
|
|
}
|
|
|