Hi, I still unable to create the default folder after changing the settings as below and logout/login.

IS there anything wrong with my settings ? anyone has same problem as mine?

>>> main.inc.php >>>>>>>>>>>>>>>>>>>>>>>

// system error reporting: 1 = log; 2 = report (not implemented yet), 4 = show, 8 = trace

$rcmail_config['debug_level'] = 1;

// enable caching of messages and mailbox data in the local database.

// this is recommended if the IMAP server does not run on the same machine

$rcmail_config['enable_caching'] = TRUE;

// lifetime of message cache

// possible units: s, m, h, d, w

$rcmail_config['message_cache_lifetime'] = '10d';

// automatically create a new RoundCube user when log-in the first time.

// a new user will be created once the IMAP login succeeds.

// set to false if only registered users can use this service

$rcmail_config['auto_create_user'] = TRUE;

// the mail host chosen to perform the log-in

// leave blank to show a textbox at login, give a list of hosts

// to display a pulldown menu or set one host as string.

// To use SSL connection, enter ssl://hostname:993

$rcmail_config['default_host'] = 'localhost';

// TCP port used for IMAP connections

$rcmail_config['default_port'] = 143;

// Automatically add this domain to user names for login

// Only for IMAP servers that require full e-mail addresses for login

// Specify an array with 'host' => 'domain' values to support multiple hosts

$rcmail_config['username_domain'] = 'localhost';

// This domain will be used to form e-mail addresses of new users

// Specify an array with 'host' => 'domain' values to support multiple hosts

$rcmail_config['mail_domain'] = 'localhost';

// Path to a virtuser table file to resolve user names and e-mail addresses

$rcmail_config['virtuser_file'] = 'localhost';

// Query to resolve user names and e-mail addresses from the database

// %u will be replaced with the current username for login.

// The query should select the user's e-mail address as first col

$rcmail_config['virtuser_query'] = 'localhost';

// use this host for sending mails.

// to use SSL connection, set ssl://smtp.host.com

// if left blank, the PHP mail() function is used

$rcmail_config['smtp_server'] = 'localhost';

// SMTP port (default is 25; 465 for SSL)

$rcmail_config['smtp_port'] = 25;

// SMTP username (if required) if you use %u as the username RoundCube

// will use the current username for login

$rcmail_config['smtp_user'] = '';

// SMTP password (if required) if you use %p as the password RoundCube

// will use the current user's password for login

$rcmail_config['smtp_pass'] = '';

// SMTP AUTH type (DIGEST-MD5, CRAM-MD5, LOGIN, PLAIN or empty to use

// best server supported one)

$rcmail_config['smtp_auth_type'] = '';

// SMTP HELO host

// Hostname to give to the remote server for SMTP 'HELO' or 'EHLO' messages

// Leave this blank and you will get the server variable 'server_name' or

// localhost if that isn't defined.

$rcmail_config['smtp_helo_host'] = 'localhost';

// Log sent messages

$rcmail_config['smtp_log'] = TRUE;

// these cols are shown in the message list

// available cols are: subject, from, to, cc, replyto, date, size, encoding

$rcmail_config['list_cols'] = array('subject', 'from', 'date', 'size');

// relative path to the skin folder

$rcmail_config['skin_path'] = 'skins/default/';

// includes should be interpreted as PHP files

$rcmail_config['skin_include_php'] = FALSE;

// use this folder to store temp files (must be writebale for apache user)

$rcmail_config['temp_dir'] = 'temp/';

// use this folder to store log files (must be writebale for apache user)

$rcmail_config['log_dir'] = 'logs/';

// session lifetime in minutes

$rcmail_config['session_lifetime'] = 10;

// check client IP in session athorization

$rcmail_config['ip_check'] = false;

// Use an additional frequently changing cookie to athenticate user sessions.

// There have been problems reported with this feature.

$rcmail_config['double_auth'] = false;

// this key is used to encrypt the users imap password which is stored

// in the session record (and the client cookie if remember password is enabled).

// please provide a string of exactly 24 chars.

$rcmail_config['des_key'] = 'rcmail-!24ByteDESkey*Str';

// the default locale setting

$rcmail_config['locale_string'] = 'en';

// use this format for short date display

$rcmail_config['date_short'] = 'D H:i';

// use this format for detailed date/time formatting

$rcmail_config['date_long'] = 'd.m.Y H:i';

// use this format for today's date display

$rcmail_config['date_today'] = 'H:i';

// add this user-agent to message headers when sending

$rcmail_config['useragent'] = 'RoundCube Webmail/0.1';

// use this name to compose page titles

$rcmail_config['product_name'] = 'Roundcube Webmail';

// only list folders within this path

$rcmail_config['imap_root'] = 'localhost';

// store draft message is this mailbox

// leave blank if draft messages should not be stored

$rcmail_config['drafts_mbox'] = 'Drafts';

// store spam messages in this mailbox

$rcmail_config['junk_mbox'] = 'Junk';

// store sent message is this mailbox

// leave blank if sent messages should not be stored

$rcmail_config['sent_mbox'] = 'Sent';

// move messages to this folder when deleting them

// leave blank if they should be deleted directly

$rcmail_config['trash_mbox'] = 'Trash';

// display these folders separately in the mailbox list.

// these folders will also be displayed with localized names

$rcmail_config['default_imap_folders'] = array('INBOX', 'Drafts', 'Sent', 'Junk', 'Trash');

// automatically create the above listed default folders on login

$rcmail_config['create_default_folders'] = TRUE;

// protect the default folders from renames, deletes, and subscription changes

$rcmail_config['protect_default_folders'] = FALSE;

//$rcmail_config['protect_default_folders'] = TRUE;

// Set TRUE if deleted messages should not be displayed

// This will make the application run slower

$rcmail_config['skip_deleted'] = FALSE;

// Set true to Mark deleted messages as read as well as deleted

// False means that a message's read status is not affected by marking it as deleted

$rcmail_config['read_when_deleted'] = TRUE;

// When a Trash folder is not present and a message is deleted, flag

// the message for deletion rather than deleting it immediately.  Setting this to

// false causes deleted messages to be permanantly removed if there is no Trash folder

$rcmail_config['flag_for_deletion'] = TRUE;

// Behavior if a received message requests a message delivery notification (read receipt)

// 0 = ask the user, 1 = send automatically, 2 = ignore (never send or ask)

$rcmail_config['mdn_requests'] = 0;

// Use this charset as fallback for message decoding

$rcmail_config['default_charset'] = 'ISO-8859-1';

// Make use of the built-in spell checker. It is based on GoogieSpell.

// Since Google only accepts connections over https your PHP installatation

// requires to be compiled with Open SSL support

$rcmail_config['enable_spellcheck'] = TRUE;

// For a locally installed Nox Spell Server, please specify the URI to call it.

// Get Nox Spell Server from http://orangoo.com/labs/?page_id=72

// Leave empty to use the Google spell checking service, what means

// that the message content will be sent to Google in order to check spelling

$rcmail_config['spellcheck_uri'] = 'localhost';

// These languages can be selected for spell checking.

// Configure as a PHP style hash array: array('en'=>'English', 'de'=>'Deutsch');

// Leave empty for default set of Google spell check languages

$rcmail_config['spellcheck_languages'] = NULL;

// path to a text file which will be added to each sent message

// paths are relative to the RoundCube root folder

$rcmail_config['generic_message_footer'] = 'localhost';

// add a received header to outgoing mails containing the creators IP and hostname

$rcmail_config['http_received_header'] = false;

// this string is used as a delimiter for message headers when sending

// leave empty for auto-detection

$rcmail_config['mail_header_delimiter'] = NULL;

// session domain: .example.org

//$rcmail_config['session_domain'] = 'localhost';

$rcmail_config['session_domain'] = '.<protected-mydomains>.com';

……. (more settings)