diff --git a/src/mail/mail.service.ts b/src/mail/mail.service.ts
index 1775f43..dcaefc5 100644
--- a/src/mail/mail.service.ts
+++ b/src/mail/mail.service.ts
@@ -18,14 +18,31 @@ export class MailService {
 ) {
     
     
-    
-    this.transporter = nodemailer.createTransport({
+
+  /*   {
       service: 'gmail',
         auth: {
           user: process.env.USER_GMAIL, 
           pass: process.env.PASS_GMAIL, 
         },
-      });
+      } */
+
+    
+    this.transporter = nodemailer.createTransport(
+     {
+      host: 'smtp.gmail.com',          // o smtp‑relay.gmail.com (ver punto 2)
+      port: 587,
+      secure: false,
+      requireTLS: true,                  // TLS STARTTLS
+      auth: { user: process.env.USER_GMAIL, pass: process.env.PASS_GMAIL },
+      pool: true,                      // <‑‑ activa reuse
+      maxConnections: 1,               // una sola conexión viva
+      maxMessages: 100,                // reabrir después de 100 envíos
+      rateDelta: 2000,                 // ventana 1 s
+      rateLimit: 1                     // máx. 5 mensajes/seg
+    } 
+      
+      );