stalwart: fix domain issues

modules/services/stalwart/module.nix

@@ -7,8 +7,8 @@
   inherit (lib.modules) mkIf;
   inherit (lib.options) mkEnableOption;
 
-  domain = "charlieroot.dev";
-  acmeRoot = "/var/lib/acme/challenges-stalwart";
+  domain = "mail.charlieroot.dev";
+
   cfg = config.modules.system.services.stalwart;
 in {
   options.modules.system.services.stalwart.enable = mkEnableOption "stalwart";
@@ -27,7 +27,7 @@ in {
         server = {
           # The default server hostname is utilized in SMTP EHLO commands,
           # as well as included in message headers and reports.
-          hostname = "mail.${domain}";
+          hostname = domain;
           tls = {
             # Specifies whether the TLS encryption is available for the listener.
             enable = true;
@@ -66,7 +66,7 @@ in {
             };
             jmap = {
               bind = ["localhost::8080" "[::]:8080"];
-              url = "https://mail.${domain}";
+              url = "https://${domain}";
               protocol = "jmap";
               tls.implicit = true;
             };
@@ -77,7 +77,7 @@ in {
             };
           };
           lookup.default = {
-            hostname = "mail.${domain}";
+            hostname = domain;
             inherit domain;
           };
         };
@@ -130,19 +130,5 @@ in {
         };
       };
     };
-    security.acme = let
-      email = "charlie@charlieroot.dev";
-    in {
-      # testing server, do not use in production, but DO use it for setting things up.
-      # it has much higher rate limits.
-      # defaults.server = "https://acme-staging-v02.api.letsencrypt.org/directory";
-      certs = {
-        "mail.${domain}" = {
-          webroot = acmeRoot;
-          inherit email;
-          group = "nginx";
-        };
-      };
-    };
   };
 }