diff --git a/app/api/mail/route.ts b/app/api/mail/route.ts
index 1e6cd90..d366ada 100644
--- a/app/api/mail/route.ts
+++ b/app/api/mail/route.ts
@@ -3,9 +3,16 @@ import Imap from 'imap';
 import { simpleParser } from 'mailparser';
 
 // IMAP configuration
+console.log('IMAP Configuration:', {
+  user: process.env.IMAP_USER,
+  host: process.env.IMAP_HOST,
+  port: process.env.IMAP_PORT,
+  hasPassword: !!process.env.IMAP_PASSWORD
+});
+
 const imapConfig: Imap.Config = {
   user: process.env.IMAP_USER as string,
-  password: process.env.IMAP_PASSWORD as string,
+  password: encodeURIComponent(process.env.IMAP_PASSWORD as string),
   host: process.env.IMAP_HOST || 'mail.infomaniak.com',
   port: parseInt(process.env.IMAP_PORT || '993', 10),
   tls: true,
@@ -14,6 +21,10 @@ const imapConfig: Imap.Config = {
 
 // Validate IMAP configuration
 if (!imapConfig.user || !imapConfig.password) {
+  console.error('IMAP configuration error:', {
+    user: imapConfig.user,
+    hasPassword: !!imapConfig.password
+  });
   throw new Error('IMAP credentials are not properly configured. Please check your .env file.');
 }