$autocreate = array($sent_folder, $trash_folder, $draft_folder);
$folders_created = false;
foreach( $autocreate as $folder ) {
- if ($folder != '') {
+ if ($folder != '' && $folder != SMPREF_NONE) {
/**
* If $show_only_subscribed_folders is true, don't use
* $mailboxes array for checking if mailbox exists.