diff --git a/src/mail/mail.service.ts b/src/mail/mail.service.ts
index ac228d7..8df1185 100644
--- a/src/mail/mail.service.ts
+++ b/src/mail/mail.service.ts
@@ -35,7 +35,7 @@ export class MailService {
       port: 587,
       secure: false,
       requireTLS: true,                  // TLS STARTTLS
-      auth: { user: process.env.USER_GMAIL, pass: process.env.APP_PASS },
+      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