diff --git a/hosts/thrall/default.nix b/hosts/thrall/default.nix
index 9631cb7..028c2db 100644
--- a/hosts/thrall/default.nix
+++ b/hosts/thrall/default.nix
@@ -206,7 +206,18 @@ in {
     httpAddress = "127.0.0.1";
     httpPort = 3001;
 
-    settings.service.DISABLE_REGISTRATION = true;
+    settings = {
+      service.DISABLE_REGISTRATION = true;
+
+      mailer = {
+        ENABLED = true;
+        MAILER_TYPE = "smtp";
+        FROM = "git@failco.de";
+        HOST = "thrall.failco.de:25";
+        IS_TLS_ENABLED = false;
+        SENDMAIL_PATH = "/run/wrappers/bin/sendmail";
+      };
+    };
   };
 
   services.fail2ban = {