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1 | { lib, pkgs, config, name, ... }: | |
2 | { | |
3 | imports = | |
4 | builtins.attrValues (import ../../../lib/flake-compat.nix ../../../flakes/private/openarc).nixosModules | |
5 | ++ builtins.attrValues (import ../../../lib/flake-compat.nix ../../../flakes/private/opendmarc).nixosModules; | |
6 | ||
7 | options.myServices.mail.milters.sockets = lib.mkOption { | |
8 | type = lib.types.attrsOf lib.types.path; | |
9 | default = { | |
10 | opendkim = "/run/opendkim/opendkim.sock"; | |
11 | opendmarc = config.services.opendmarc.socket; | |
12 | openarc = config.services.openarc.socket; | |
13 | }; | |
14 | readOnly = true; | |
15 | description = '' | |
16 | milters sockets | |
17 | ''; | |
18 | }; | |
19 | config = lib.mkIf (config.myServices.mail.enable || config.myServices.mailBackup.enable) { | |
20 | secrets.keys = { | |
21 | "opendkim" = { | |
22 | isDir = true; | |
23 | user = config.services.opendkim.user; | |
24 | group = config.services.opendkim.group; | |
25 | permissions = "0550"; | |
26 | }; | |
27 | "opendkim/eldiron.private" = { | |
28 | user = config.services.opendkim.user; | |
29 | group = config.services.opendkim.group; | |
30 | permissions = "0400"; | |
31 | text = config.myEnv.mail.dkim.eldiron.private; | |
32 | }; | |
33 | "opendkim/eldiron.txt" = { | |
34 | user = config.services.opendkim.user; | |
35 | group = config.services.opendkim.group; | |
36 | permissions = "0444"; | |
37 | text = '' | |
38 | eldiron._domainkey IN TXT ${config.myEnv.mail.dkim.eldiron.public}''; | |
39 | }; | |
40 | }; | |
41 | users.users."${config.services.opendkim.user}".extraGroups = [ "keys" ]; | |
42 | services.opendkim = { | |
43 | enable = true; | |
44 | socket = "local:${config.myServices.mail.milters.sockets.opendkim}"; | |
45 | domains = builtins.concatStringsSep "," (lib.flatten (map | |
46 | (zone: map | |
47 | (e: "${e.domain}${lib.optionalString (e.domain != "") "."}${zone.name}") | |
48 | (zone.withEmail or []) | |
49 | ) | |
50 | config.myEnv.dns.masterZones | |
51 | )); | |
52 | keyPath = config.secrets.fullPaths."opendkim"; | |
53 | selector = "eldiron"; | |
54 | configFile = pkgs.writeText "opendkim.conf" '' | |
55 | SubDomains yes | |
56 | UMask 002 | |
57 | AlwaysAddARHeader yes | |
58 | ''; | |
59 | group = config.services.postfix.group; | |
60 | }; | |
61 | systemd.services.opendkim.serviceConfig.Slice = "mail.slice"; | |
62 | systemd.services.opendkim.preStart = lib.mkBefore '' | |
63 | # Skip the prestart script as keys are handled in secrets | |
64 | exit 0 | |
65 | ''; | |
66 | services.filesWatcher.opendkim = { | |
67 | restart = true; | |
68 | paths = [ | |
69 | config.secrets.fullPaths."opendkim/eldiron.private" | |
70 | ]; | |
71 | }; | |
72 | ||
73 | systemd.services.milter_verify_from = { | |
74 | description = "Verify from milter"; | |
75 | after = [ "network.target" ]; | |
76 | wantedBy = [ "multi-user.target" ]; | |
77 | ||
78 | serviceConfig = { | |
79 | Slice = "mail.slice"; | |
80 | User = "postfix"; | |
81 | Group = "postfix"; | |
82 | ExecStart = let python = pkgs.python38.withPackages (p: [ p.pymilter ]); | |
83 | in "${python}/bin/python ${./verify_from.py} -s /run/milter_verify_from/verify_from.sock"; | |
84 | RuntimeDirectory = "milter_verify_from"; | |
85 | }; | |
86 | }; | |
87 | }; | |
88 | } |