diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index a84f2c5d2616..2bdced6a3cc1 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -170,6 +170,7 @@ in
   #logstash = handleTest ./logstash.nix {};
   lorri = handleTest ./lorri/default.nix {};
   magnetico = handleTest ./magnetico.nix {};
+  magic-wormhole-mailbox-server = handleTest ./magic-wormhole-mailbox-server.nix {};
   mailcatcher = handleTest ./mailcatcher.nix {};
   mathics = handleTest ./mathics.nix {};
   matomo = handleTest ./matomo.nix {};
diff --git a/nixos/tests/magic-wormhole-mailbox-server.nix b/nixos/tests/magic-wormhole-mailbox-server.nix
new file mode 100644
index 000000000000..144a07e13492
--- /dev/null
+++ b/nixos/tests/magic-wormhole-mailbox-server.nix
@@ -0,0 +1,38 @@
+import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "magic-wormhole-mailbox-server";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ mmahut ];
+  };
+
+  nodes = {
+    server = { ... }: {
+      networking.firewall.allowedTCPPorts = [ 4000 ];
+      services.magic-wormhole-mailbox-server.enable = true;
+    };
+
+    client_alice = { ... }: {
+      networking.firewall.enable = false;
+      environment.systemPackages = [ pkgs.magic-wormhole ];
+    };
+
+    client_bob = { ... }: {
+      environment.systemPackages = [ pkgs.magic-wormhole ];
+    };
+  };
+
+  testScript = ''
+    start_all()
+
+    # Start the wormhole relay server
+    server.wait_for_unit("magic-wormhole-mailbox-server.service")
+    server.wait_for_open_port(4000)
+
+    # Create a secret file and send it to Bob
+    client_alice.succeed("echo mysecret > secretfile")
+    client_alice.succeed("wormhole --relay-url=ws://server:4000/v1 send -0 secretfile &")
+
+    # Retrieve a secret file from Alice and check its content
+    client_bob.succeed("wormhole --relay-url=ws://server:4000/v1 receive -0 --accept-file")
+    client_bob.succeed("grep mysecret secretfile")
+  '';
+})