diff --git a/email_api/email_api/app.js b/email_api/email_api/app.js
index 804ea84..5fb3c38 100644
--- a/email_api/email_api/app.js
+++ b/email_api/email_api/app.js
@@ -28,7 +28,8 @@ const logger = createLogger({
 });
 
 const app = express();
-app.use(express.json());
+app.use(express.json({ limit: '20mb' }));
+app.use(express.urlencoded({ limit: '20mb', extended: true }));
 
 const SMTP_HOST = process.env.SMTP_HOST || 'localhost';
 const SMTP_PORT = parseInt(process.env.SMTP_PORT || '25', 10);