diff --git a/modules/crans/default.nix b/modules/crans/default.nix
index 45092a7..a86b3ca 100644
--- a/modules/crans/default.nix
+++ b/modules/crans/default.nix
@@ -9,6 +9,7 @@
     ./ntp.nix
     ./restic_client.nix
     ./monitoring.nix
+    ./nullmailer.nix
     ./users.nix
   ];
 
@@ -30,7 +31,11 @@
   programs.vim.enable = true;
 
   environment.systemPackages = with pkgs; [
+    bat
+    fd
+    helix
     nfs-utils
+    ripgrep
     shelldap
   ];
 }
diff --git a/modules/crans/nullmailer.nix b/modules/crans/nullmailer.nix
new file mode 100644
index 0000000..23bb4ef
--- /dev/null
+++ b/modules/crans/nullmailer.nix
@@ -0,0 +1,16 @@
+{ ... }:
+
+{
+  services.nullmailer = {
+    enable = true;
+
+    config = {
+      remotes = ''
+        smtp.adm.crans.org smtp
+      '';
+      adminaddr = "root@crans.org";
+      defaulthost = "crans.org";
+      allmailfrom = "root@crans.org";
+    };
+  };
+}