75 lines
2.2 KiB
Nix
75 lines
2.2 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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rspamdExtraConfig = pkgs.writeText "rspamd-extra.conf" ''
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secure_ip = [::1]
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${ if (config.services.mymailserver.logging == false) then ''
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logging {
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type = "file";
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filename = "/dev/null";
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}
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''
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else "" }
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options {
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filters: "chartable,dkim,dkim_signing,spf,surbl,regexp,fuzzy_check"
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}
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milter_headers {
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extended_spam_headers = true;
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}
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classifier {
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bayes {
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autolearn = true;
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}
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}
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dkim_signing {
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path = "/var/lib/rspamd/dkim/$domain.$selector.key";
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check_pubkey = true;
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}
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'';
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in
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{
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environment.systemPackages = [
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(pkgs.writeShellScriptBin "dkim-generate" ''
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if [ $# -ne 1 ]; then
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echo Usage: dkim-generate DOMAIN >&2
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exit 1
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fi
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rspamd=${pkgs.rspamd}/bin/rspamadm
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mkdir -p /var/lib/rspamd/dkim
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$rspamd dkim_keygen -b 2048 -d "$1" -s dkim | ${pkgs.gawk}/bin/awk '/^-/ {KEY= ! KEY; print; next} KEY {print} !KEY {print > "/dev/stderr"}' >/var/lib/rspamd/dkim/"$1".dkim.key 2>/var/lib/rspamd/dkim/"$1".dkim.dns
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ls -l /var/lib/rspamd/dkim/"$1".dkim.key /var/lib/rspamd/dkim/"$1".dkim.dns
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'') ];
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services.rspamd = {
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enable = true;
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# Just shove our own configuration up rspamd's rear end with high prio as the default configuration structure is a mess. Maybe switch to another spam filter?
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extraConfig = ''
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.include(try=true,priority=10,duplicate=merge) "${rspamdExtraConfig}"
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'';
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workers = {
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controller = {
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enable = true;
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extraConfig = ''
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secure_ip = [::1]
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'';
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bindSockets = [
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"[::1]:11334"
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{ mode = "0666"; owner = config.services.mymailserver.internal.vmailUser; socket = "/run/rspamd/worker-controller.socket"; }
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];
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};
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rspamd_proxy = {
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enable = true;
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type = "rspamd_proxy";
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count = 5; # TODO: match with postfix limits
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extraConfig = ''
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upstream "local" {
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self_scan = yes; # Enable self-scan
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}
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'';
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bindSockets = [
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{ socket = config.services.mymailserver.internal.rspamdMilterSocket; mode = "0666"; }
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];
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};
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};
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};
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}
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