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{ lib, pkgs, config, name, ... }:
{
imports =
builtins.attrValues (import ../../../lib/flake-compat.nix ../../../flakes/private/openarc).nixosModules
++ builtins.attrValues (import ../../../lib/flake-compat.nix ../../../flakes/private/opendmarc).nixosModules;
options.myServices.mail.milters.sockets = lib.mkOption {
type = lib.types.attrsOf lib.types.path;
default = {
opendkim = "/run/opendkim/opendkim.sock";
opendmarc = config.services.opendmarc.socket;
openarc = config.services.openarc.socket;
};
readOnly = true;
description = ''
milters sockets
'';
};
config = lib.mkIf (config.myServices.mail.enable || config.myServices.mailBackup.enable) {
secrets.keys = {
"opendkim" = {
isDir = true;
user = config.services.opendkim.user;
group = config.services.opendkim.group;
permissions = "0550";
};
"opendkim/eldiron.private" = {
user = config.services.opendkim.user;
group = config.services.opendkim.group;
permissions = "0400";
text = config.myEnv.mail.dkim.eldiron.private;
};
"opendkim/eldiron.txt" = {
user = config.services.opendkim.user;
group = config.services.opendkim.group;
permissions = "0444";
text = ''
eldiron._domainkey IN TXT ${config.myEnv.mail.dkim.eldiron.public}'';
};
};
users.users."${config.services.opendkim.user}".extraGroups = [ "keys" ];
services.opendkim = {
enable = true;
socket = "local:${config.myServices.mail.milters.sockets.opendkim}";
domains = builtins.concatStringsSep "," (lib.flatten (map
(zone: map
(e: "${e.domain}${lib.optionalString (e.domain != "") "."}${zone.name}")
(zone.withEmail or [])
)
config.myEnv.dns.masterZones
));
keyPath = config.secrets.fullPaths."opendkim";
selector = "eldiron";
configFile = pkgs.writeText "opendkim.conf" ''
SubDomains yes
UMask 002
AlwaysAddARHeader yes
'';
group = config.services.postfix.group;
};
systemd.services.opendkim.serviceConfig.Slice = "mail.slice";
systemd.services.opendkim.preStart = lib.mkBefore ''
# Skip the prestart script as keys are handled in secrets
exit 0
'';
services.filesWatcher.opendkim = {
restart = true;
paths = [
config.secrets.fullPaths."opendkim/eldiron.private"
];
};
systemd.services.milter_verify_from = {
description = "Verify from milter";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Slice = "mail.slice";
User = "postfix";
Group = "postfix";
ExecStart = let python = pkgs.python3.withPackages (p: [ p.pymilter ]);
in "${python}/bin/python ${./verify_from.py} -s /run/milter_verify_from/verify_from.sock";
RuntimeDirectory = "milter_verify_from";
};
};
};
}
|
