diff --git a/checks/default.nix b/checks/default.nix
index ae33fc0..24211a0 100644
--- a/checks/default.nix
+++ b/checks/default.nix
@@ -9,12 +9,7 @@
   ${system} = {
 
     # Check project formatting
-    format = pkgs.runCommand "nixfmt-check" { } ''
-      set -euo pipefail
-      cd ${self}
-      ${self.formatter.${system}}/bin/formatter . --check
-      mkdir $out
-    '';
+    format = self.formatter.${system};
 
     #TODO(#29): Integration/System tests
 
diff --git a/flake.nix b/flake.nix
index d9dae25..dbb924f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -50,9 +50,7 @@
       checks = import ./checks/default.nix importParams;
       deploy = import ./deploy/default.nix importParams;
       devShells = import ./dev-shells/default.nix importParams;
-      formatter.${system} = pkgs.writeShellScriptBin "formatter" ''
-        ${pkgs.findutils}/bin/find $1 -type f -name '*.nix' -exec ${pkgs.nixfmt-rfc-style}/bin/nixfmt ''${@:2} {} +
-      '';
+      formatter.${system} = pkgs.nixfmt-tree;
       nixosConfigurations = import ./nixos-configurations/default.nix importParams;
       nixosModules = import ./nixos-modules/default.nix importParams;
       packages = import ./packages/default.nix importParams;
diff --git a/nixos-modules/qois/git/default.nix b/nixos-modules/qois/git/default.nix
index 719a3a0..2983a33 100644
--- a/nixos-modules/qois/git/default.nix
+++ b/nixos-modules/qois/git/default.nix
@@ -40,7 +40,11 @@ with lib;
         };
         "ssh.minimum_key_sizes".RSA = 2047;
         session.COOKIE_SECURE = true;
-        service.DISABLE_REGISTRATION = true;
+        service = {
+          DISABLE_REGISTRATION = true;
+          ENABLE_NOTIFY_MAIL = true;
+          DEFAULT_KEEP_EMAIL_PRIVATE = true;
+        };
         mailer = {
           ENABLED = true;
           PROTOCOL = "sendmail";