Add mail server

hosts/cube/acme.nix

@@ -12,7 +12,7 @@ serverSystemConfiguration {
       credentialsFile = config.age.secrets.acme.path;
       dnsProvider     = "cloudflare";
       dnsResolver     = "1.1.1.1";
-      email           = "rgbsphere@gmail.com";
+      email           = "security@rgbcu.be";
       group           = "nginx";
     };
 

hosts/cube/akkoma.nix

@@ -1,6 +1,6 @@
 { config, ulib, ... }: with ulib;
 
-systemConfiguration {
+serverSystemConfiguration {
   services.akkoma = let
     inherit ((pkgs.formats.elixirConf { }).lib) mkRaw mkTuple;
 
@@ -28,8 +28,8 @@ systemConfiguration {
       name        = "RGBCube's Akkoma Server";
       description = "RGBCube's Akkoma server, facism edition.";
 
-      email        = "rgbsphere@gmail.com";
-      notify_email = "rgbsphere@gmail.com";
+      email        = "social@rgbcu.be";
+      notify_email = "social@rgbcu.be";
 
       limit        = 100000;
       remote_limit = 100000;

hosts/cube/mail.nix

@@ -0,0 +1,20 @@
+{ config, ulib, ... }: with ulib;
+
+serverSystemConfiguration {
+  mailserver = enabled {
+    domains = [ config.networking.domain ];
+    fqdn    = "mail.${config.networking.domain}";
+
+    certificateScheme = "acme";
+
+    hierarchySeparator = "/";
+    useFsLayout        = true;
+
+    loginAccounts.contact = {
+      name    = "contact@${config.networking.domain}";
+      aliases = [ "@${config.networking.domain}" ];
+
+      hashedPasswordFile = config.age.secrets."cube.mail.password.hash".path;
+    };
+  };
+}