diff --git a/home-manager/git.nix b/home-manager/git.nix
index da832f83..cf2173c3 100644
--- a/home-manager/git.nix
+++ b/home-manager/git.nix
@@ -12,7 +12,7 @@
     enable = true;
 
     userName = "Thiago Kenji Okada";
-    userEmail = "thiagokokada@gmail.com";
+    userEmail = config.meta.email;
     package = pkgs.gitFull.override {
       # Use SSH from macOS instead with support for Keyring
       # https://github.com/NixOS/nixpkgs/issues/62353
diff --git a/modules/meta.nix b/modules/meta.nix
index 61c94565..fa15b273 100644
--- a/modules/meta.nix
+++ b/modules/meta.nix
@@ -8,6 +8,11 @@ with lib;
       type = types.str;
       default = "thiagoko";
     };
+    email = mkOption {
+      description = "Main e-mail";
+      type = types.str;
+      default = "thiagokokada@gmail.com";
+    };
     configPath = mkOption {
       description = "Location of this config";
       type = types.path;
diff --git a/nixos/server/duckdns-updater.nix b/nixos/server/duckdns-updater.nix
index b5ebdd6e..18c96aa2 100644
--- a/nixos/server/duckdns-updater.nix
+++ b/nixos/server/duckdns-updater.nix
@@ -114,7 +114,7 @@ in
       acceptTerms = true;
       certs.${cfg.domain} = {
         inherit group;
-        email = "thiagokokada@gmail.com";
+        inherit (config.meta) email;
         dnsProvider = lib.mkIf (!cfg.certs.useHttpServer) "duckdns";
         credentialsFile = lib.mkIf (!cfg.certs.useHttpServer) cfg.environmentFile;
         listenHTTP = lib.mkIf cfg.certs.useHttpServer ":${toString httpPort}"; # any other port needs to be proxied