diff --git a/dovecot/s3_email_downloader_api.py b/dovecot/s3_email_downloader_api.py
index 9926597..6ed8a9e 100755
--- a/dovecot/s3_email_downloader_api.py
+++ b/dovecot/s3_email_downloader_api.py
@@ -188,11 +188,13 @@ def get_maildir_path(to_address, mail_dir):
     # Maildir-Struktur sicherstellen
     for directory in [mail_dir_path, domain_dir, user_dir]:
         directory.mkdir(parents=True, exist_ok=True)
-        
+        os.chmod(directory, 0o775)  # rwxrwxr-x
+
     # Maildir-Unterverzeichnisse
     for subdir in ['cur', 'new', 'tmp']:
         (user_dir / subdir).mkdir(exist_ok=True)
-        
+        os.chmod(subdir_path, 0o775)  # rwxrwxr-x
+
     return user_dir
 
 def store_email(email_content, to_address, message_id, s3_key, mail_dir):
@@ -217,7 +219,9 @@ def store_email(email_content, to_address, message_id, s3_key, mail_dir):
         
         with open(email_path, 'wb') as f:
             f.write(email_content)
-            
+        
+        os.chmod(email_path, 0o664)  # rw-rw-r--    
+        
         logger.info(f"E-Mail gespeichert: {email_path}")
         return True