diff --git a/necchange/src/app/api/auth/[...nextauth]/route.js b/necchange/src/app/api/auth/[...nextauth]/route.js
index 344f3dc..0a907d6 100644
--- a/necchange/src/app/api/auth/[...nextauth]/route.js
+++ b/necchange/src/app/api/auth/[...nextauth]/route.js
@@ -8,6 +8,17 @@ const handler = async (req, context) => {
     return new Response(null, { status: 200 });
   }
 
+  // Macete para rejeitar emails vindos do postmaster, 
+  // por algum motivo o postmaster insiste em chamar esta api com o arugmento "callbackUrl" que já não é utilizado,
+  // mas que no entanto invalida o token de verificaçao.
+  const url = new URL(req.url);
+  const hasCallbackUrl = url.searchParams.has("callbackUrl");
+
+  if (url.pathname === "/api/auth/callback/email" && hasCallbackUrl) {
+    console.warn("Blocked automated request with callbackUrl:", url.searchParams.get("callbackUrl"));
+    return new Response(null, { status: 200 });
+  }
+
   return await NextAuth(req, context, authOptions);
 };