redirect browsers to main page if connecting to mail server vhost

email.nix

@@ -26,4 +26,16 @@ in {
     certificateFile = "/var/lib/acme/${root_host}/fullchain.pem";
     keyFile = "/var/lib/acme/${root_host}/key.pem";
   };
+
+    services.nginx = {
+    enable = true;
+    virtualHosts."${mail_host}" = { # you should NOT be here from a browser :P
+      serverName = mail_host;
+      forceSSL = true;
+      useACMEHost = root_host;
+      locations."/" = {
+        return = "307 https://${root_host}";
+      };
+    };
+  };
 }