diff --git a/flake.lock b/flake.lock
index 19f86b15..a69157b3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -199,11 +199,11 @@
         "zentralwerk-network-key": "zentralwerk-network-key"
       },
       "locked": {
-        "lastModified": 1632781451,
-        "narHash": "sha256-7l3GPJNOairH6tAV7f/YmJ3f13TSsMnF1Yd98lLrSSU=",
+        "lastModified": 1633127122,
+        "narHash": "sha256-mpCuU7znU3bnsJv0HGQo2cv+RZ9HOSnLtRB4fQjkfek=",
         "ref": "master",
-        "rev": "6245887f0f275255cbd9eb6028b142d6dadd67ae",
-        "revCount": 1184,
+        "rev": "89b1b637cbb03d99b5bbb193eec68dafda5c00b1",
+        "revCount": 1188,
         "type": "git",
         "url": "https://gitea.c3d2.de/zentralwerk/network.git"
       },
diff --git a/flake.nix b/flake.nix
index 7ab53261..d322cea8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -342,6 +342,14 @@
           system = "x86_64-linux";
         };
 
+        mail = nixosSystem' {
+          modules = [
+            ./lib/lxc-container.nix
+            ./hosts/containers/mail
+          ];
+          system = "x86_64-linux";
+        };
+
       };
 
       nixosModule = import ./lib;
diff --git a/hosts/containers/mail/default.nix b/hosts/containers/mail/default.nix
new file mode 100644
index 00000000..2472adc3
--- /dev/null
+++ b/hosts/containers/mail/default.nix
@@ -0,0 +1,9 @@
+{
+  networking.hostName = "mail";
+  networking.useNetworkd = true;
+  networking.interfaces.eth0.ipv4.addresses = [{
+    address = "172.20.73.58";
+    prefixLength = 26;
+  }];
+  networking.defaultGateway = "172.20.73.1";
+}