diff --git a/mailserver/nginx/default.nix b/mailserver/nginx/default.nix
index 0210b69..2b547a2 100644
--- a/mailserver/nginx/default.nix
+++ b/mailserver/nginx/default.nix
@@ -9,6 +9,7 @@ let
     allow 10.0.0.2/32;
     allow fdc9:281f:04d7:9ee9::2/128;
     allow 10.0.0.3/32;
+    allow 10.0.0.4/32;
     deny all;
   '';
 in
diff --git a/mailserver/wireguard/default.nix b/mailserver/wireguard/default.nix
index 2c7554f..d4eb338 100644
--- a/mailserver/wireguard/default.nix
+++ b/mailserver/wireguard/default.nix
@@ -33,6 +33,10 @@
           publicKey = "RqTsFxFCcgYsytcDr+jfEoOA5UNxa1ZzGlpx6iuTpXY=";
           allowedIPs = [ "10.0.0.3/32" ];
         }
+        {
+          publicKey = "kI93V0dVKSqX8hxMJHK5C0c1hEDPQTgPQDU8TKocVgo=";
+          allowedIPs = [ "10.0.0.4/32" ];
+        }
       ];
     };
   };