add postfix

hosts/nixos/snowbelle/configuration.nix

@@ -36,6 +36,7 @@ in
     enable = true;
     backups.enable = true;
     motd.enable = true;
+    postfix.enable = true;
     gitea.enable = true;
     glance.enable = true;
     immich.enable = true;

modules/homelab/.default.nix.template.nix

@@ -3,15 +3,12 @@
   config,
   lib,
   ...
-}:
+}: let
-
-let
   service = "";
-  cfg = config.modules.services.${service};
+  cfg = config.homelab.${service};
   sec = config.sops.secrets;
   homelab = config.homelab;
-in
+in {
-{
   options.modules.services.${service} = {
     enable = lib.mkEnableOption "enables ${service}";
 
@@ -44,7 +41,6 @@ in
   };
 
   config = lib.mkIf cfg.enable {
-
     # declare ${service} group
     users.groups.${service} = {
       gid = lib.mkForce cfg.ids;
@@ -118,7 +114,7 @@ in
     #    };
 
     # add to backups
-    system.backups.baks = {
+    homelab.backups.baks = {
       ${service} = {
         paths = [cfg.data_dir];
       };

modules/homelab/default.nix

@@ -44,6 +44,7 @@ in
     ./motd
     ./backups
     ./glance
+    ./postfix
     ./caddy
     ./home/zigbee2mqtt
     ./vaultwarden

modules/homelab/postfix/default.nix

@@ -0,0 +1,100 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  service = "postfix";
+  cfg = config.homelab.${service};
+  sec = config.sops.secrets;
+  homelab = config.homelab;
+in {
+  options.modules.services.${service} = {
+    enable = lib.mkEnableOption "enables ${service}";
+
+    # set port options
+    port = lib.mkOption {
+      type = lib.types.int;
+      default = 587;
+      description = "set port for ${service} (default: ${toString cfg.port}";
+    };
+    url = lib.mkOption {
+      type = lib.types.str;
+      default = "${service}.${homelab.base_domain}";
+      description = "set domain for ${service}";
+    };
+    data_dir = lib.mkOption {
+      type = lib.types.str;
+      default = "/var/lib/${service}";
+      description = "set data directory for ${service}";
+    };
+    ids = lib.mkOption {
+      type = lib.types.int;
+      default = cfg.port;
+      description = "set uid and pid of ${service} user (matches port by default)";
+    };
+    backup = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "enable backups for ${service}";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    # declare ${service} group
+    #    users.groups.${service} = {
+    #      gid = lib.mkForce cfg.ids;
+    #    };
+    #
+    #    # declare ${service} user
+    #    users.users.${service} = {
+    #      description = "${service} server user";
+    #      uid = lib.mkForce cfg.ids;
+    #      isSystemUser = true;
+    #      home = cfg.data_dir;
+    #      createHome = true;
+    #      group = service;
+    #      extraGroups = [];
+    #    };
+
+    # enable the ${service} service
+    services.postfix = {
+      enable = true;
+      relayHost = "smtp.gmail.com";
+      relayPort = cfg.port;
+      config = {
+        smtp_use_tls = "yes";
+        smtp_sasl_auth_enable = "yes";
+        smtp_sasl_security_options = "";
+        smtp_sasl_password_maps = "texthash:${config.sops.secrets."postfix_passwd".path}";
+        # optional: Forward mails to root (e.g. from cron jobs, smartd)
+        # to me privately and to my work email:
+        virtual_alias_maps = "inline:{ {root=me@blakedheld.xyz, throwedspam@gmail.com} }";
+      };
+    };
+
+    # override umask to make permissions work out
+    #    systemd.services.${service}.serviceConfig = {
+    #  UMask = lib.mkForce "0007";
+      #      User = service;
+      #      Group = service;
+    #};
+
+   # open firewall
+    networking.firewall.allowedTCPPorts = [ cfg.port ];
+
+    sops.secrets = {
+      "${service}_passwd" = {
+        owner = config.services.postfix.user;
+        group = config.services.postfix.group;
+      };
+    };
+
+    # add to backups
+    homelab.backups.baks = {
+      ${service} = {
+        paths = [cfg.data_dir];
+      };
+    };
+  };
+}

secrets/secrets.yaml

@@ -22,6 +22,8 @@ minecraft_recpro_db_passwd: ENC[AES256_GCM,data:dPAkdEX0hBigo/lND2r3ShxnS4Jc5wTI
 #ENC[AES256_GCM,data:nbB5Cd7i/KTMCjCzcX8o1sxREZQ/gLAG,iv:iyuO2erxdJM08WHJBjKuNIXYxVhH7rfyOLTcGCcGqNQ=,tag:UeDszimXv8kQUmDetLeFqg==,type:comment]
 mosquitto_hashed_passwd: ENC[AES256_GCM,data:k1Lnr8ZTDpzXMoRmRH61X41boX/D8Rm1KPh7x3/IHFo+XKIOUQns53iA+7e7Ohp8uWSthDlOk4SlRvTXdUNiEz7Zmw9LYwy7BHbwpNo2pFApAye1ORPrMrhMUkUfgBgc8oqPPyRXmmrOAFp6GBbRhg==,iv:D8wQL9iF0rqOte5X24kDTVjYUJXbZSLz0Ykbp0HqmYo=,tag:RUCgO1uKPIdumSo563cg1Q==,type:str]
 mosquitto_passwd.yaml: ENC[AES256_GCM,data:9xwHiUaQ6zG/4rkRemXtbRJ/KEV4yajqyYlcXRR1eAQ2XijYOzitPjt53h3FPqp5rxl6dJerXNH5CiZZK3t1l339NxNseJFGVmIHitWJxNmGJMlG3M8r8Q==,iv:C6WWZuVkYaasB2pol3uf4Mc3d/lDEgt2pKX+dHl/Cr4=,tag:jYTC6RKF2TzDSwSUh6D8zQ==,type:str]
+#ENC[AES256_GCM,data:zmSByl0De3a39qLbS99oce7ORe2BBoPa+3I05/YYxL7iBeWCP3ZK,iv:6nUTBUFpNK7Mttckqu6Wk/QJ5cP4+iL+EH4ldaIuu9s=,tag:pc5UtjbNPsVOEMCdLKgGMA==,type:comment]
+postfix_passwd: ENC[AES256_GCM,data:6VMANDTcvAxPMG4uEOsjhYFGV+CRr9a7VXqm/x+0UYP3Uh5bzLfvt6KVjiuIGEpjlj1rJXJhSKkb+Q==,iv:8PiRwJ+U6kRTtAsDXvdz/DtBinS2uLhWRipT8T8k7Kg=,tag:KppmdbquoEWHhWHeo6WuwA==,type:str]
 #ENC[AES256_GCM,data:3oMbbBSrbjrqsdiON1ENB8JeKW0=,iv:+/eL/51OA+VHbkWWSNzQId5BlxnMm+5NBA0uKw010Tk=,tag:vBJpCYmvFivBYIKatDWgHw==,type:comment]
 copyparty_passwd: ENC[AES256_GCM,data:I3UYy4nJ0B6RnIp661O0VVqEmxloxxcroBKmNFcgoQ==,iv:sWkPfKqomrNaYFZbn+BeQEugRMlaqi1qJhELqfsGCik=,tag:Sgz56ZW9EY49zfwFDN7whg==,type:str]
 #ENC[AES256_GCM,data:3ATkokBKeOp97uORzaePROrKKfG94ic=,iv:MNJRh6Vrso1heqNUJc0M4xGNcMLGwcF9IzoiQ5+SS+g=,tag:xj8Actwkirvq4GE+Ly1M9w==,type:comment]
@@ -47,7 +49,7 @@ sops:
             U0tmdFBuZnJES3piOTZNV0VKQmQ0eVUKCWRQ/flLzmpC64WyLoipklZBmrkpYiUg
             PRu+itNolpPTHm96pe+P93g2iP0wgekG0cX21wkiU2xaLF3dY2FEIA==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2025-10-17T08:24:51Z"
+    lastmodified: "2025-10-19T18:56:10Z"
-    mac: ENC[AES256_GCM,data:kIlrr+U7+O1Ocdi8CffmQNOQYh46crnaaQHBOkeOwG4AuAErNb1UjhZiOUELYD6bTG4GnIw0QGAS6xu+C22aA/jKsg/Z0q/LjX3FPDLLmLyEXhjIDVB+DOsxUsUWupZqGOq+HoBWuVYt11kc2ylPqqC5JlxNwQpIXGa1YgsKaNQ=,iv:L813P4Zvse38E2+K1wv0kTrPYgaKQc0rAleGGfhJRyA=,tag:k0v2ApQincLnu1Pd3WOkGw==,type:str]
+    mac: ENC[AES256_GCM,data:PvcwcWT8Qvk7rL6Z38IiKKBtkskaI6MntkxLhvtYyaMJqCjgOUQQcv0mriKlUB4kUaiOhKgXEwaHDKNHlK4F5RI+pQJ0HUAABCfntNx325ILmL373m0kqritkrX1hvlgpz3Qg9YmNe6+Kf7qrjGcdcpNAomwVV13WEhFL5ZraFU=,iv:xafv63PT4ByltcMhE3pruuFO5iIa49AK5rWJe9uI09U=,tag:fJuQmlTN3P+U4SX9JnQzWQ==,type:str]
     unencrypted_suffix: _unencrypted
     version: 3.11.0