diff --git a/pkgs/servers/maddy/default.nix b/pkgs/servers/maddy/default.nix
new file mode 100644
index 00000000000..ac3c075717c
--- /dev/null
+++ b/pkgs/servers/maddy/default.nix
@@ -0,0 +1,26 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "maddy";
+  version = "0.4.3";
+
+  src = fetchFromGitHub {
+    owner = "foxcpp";
+    repo = "maddy";
+    rev = "v${version}";
+    sha256 = "1mi607hl4c9y9xxv5lywh9fvpybprlrgqa7617km9rssbgk4x1v7";
+  };
+
+  vendorSha256 = "16laf864789yiakvqs6dy3sgnnp2hcdbyzif492wcijqlir2swv7";
+
+  buildFlagsArray = [ "-ldflags=-s -w -X github.com/foxcpp/maddy.Version=${version}" ];
+
+  subPackages = [ "cmd/maddy" "cmd/maddyctl" ];
+
+  meta = with lib; {
+    description = "Composable all-in-one mail server";
+    homepage = "https://foxcpp.dev/maddy";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ lxea ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index caa32c330ed..57c760939ef 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19523,6 +19523,8 @@ in
     enableCmdlib = true;
   };
 
+  maddy = callPackage ../servers/maddy/default.nix { };
+
   mbelib = callPackage ../development/libraries/audio/mbelib { };
 
   mbpfan = callPackage ../os-specific/linux/mbpfan { };