--- program/include/rcmail.php
+++ program/include/rcmail.php
@@ -845,8 +845,8 @@
       // fix some old settings according to namespace prefix
       $this->fix_namespace_settings($user);

-      // create default folders on first login
-      if (!$user->data['last_login'] && $config['create_default_folders'])
+      // create default folders on login
+      if ($config['create_default_folders'])
         $this->imap->create_default_folders();
       // update last login timestamp
       $user->touch();