Roundcube kurma problemi

$dbuser='roundcube';
$dbpass='MYPASSWORD';
$basepath='';
$dbname='roundcube';
$dbserver='localhost';
$dbport='';
$dbtype='mysql';

<?php

/*
+-----------------------------------------------------------------------+
| Configuration file for database access |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2005-2009, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
+-----------------------------------------------------------------------+

*/

$rcmail_config = array();

/* Do not set db_dsnw here, use dpkg-reconfigure roundcube to configure database ! */

include_once("/etc/roundcube/debian-db.php");

/*
switch ($dbtype) {
case "sqlite":
$rcmail_config['db_dsnw'] = "sqlite:///$basepath/$dbname?mode=0640";
break;
default:
if ($dbport != '') $dbport=":$dbport";
if ($dbserver == '') $dbserver="localhost";
$rcmail_config['db_dsnw'] = "$dbtype://$dbuser:$dbpass@$dbserver$dbport/$dbname";
break;
}
*/

$rcmail_config['db_dsnw'] = 'mysql://roundcube:password@localhost/roundcube'; 

// PEAR database DSN for read only operations (if empty write database will be used)
// useful for database replication
$rcmail_config['db_dsnr'] = '';

// maximum length of a query in bytes
$rcmail_config['db_max_length'] = 512000; // 500K

// use persistent db-connections
// beware this will not "always" work as expected
// see: PHP: Persistent Database Connections - Manual
$rcmail_config['db_persistent'] = FALSE;


// you can define specific table names used to store webmail data
$rcmail_config['db_table_users'] = 'users';

$rcmail_config['db_table_identities'] = 'identities';

$rcmail_config['db_table_contacts'] = 'contacts';

$rcmail_config['db_table_session'] = 'session';

$rcmail_config['db_table_cache'] = 'cache';

$rcmail_config['db_table_messages'] = 'messages';


// you can define specific sequence names used in PostgreSQL
$rcmail_config['db_sequence_users'] = 'user_ids';

$rcmail_config['db_sequence_identities'] = 'identity_ids';

$rcmail_config['db_sequence_contacts'] = 'contact_ids';

$rcmail_config['db_sequence_cache'] = 'cache_ids';

$rcmail_config['db_sequence_messages'] = 'message_ids';


// end db config file
?>