if (!$result) {
    echo "error!";
        } else {
        $userid = mysql_insert_id();

        include('class.smtp.inc');  // mail class
 //      header('Content-Type: text/plain');
        $params['host'] = 'smtp.bk.ru';                                // The smtp server host/ip
        $params['port'] =  25 ;                                                // The smtp server port
        $params['helo'] = 'www.pochta.xx;                        // What to use when sending the helo command. Typically, your domain/hostname
        $params['auth'] = TRUE;                                                // Whether to use basic authentication or not
        $params['user'] = 'xxxxxxxxxxx@xxx.ru';                                // Username for authentication
        $params['pass'] = 'xxxxxxxxx';                                // Password for authentication


        //$send_params['recipients']        = array('$email');                                                        // The recipients (can be multiple)
        $send_params['headers']                = array(
                                                                                'From: "admin" <xxxx@xx.ru>;',        // Headers
                                                                                'To: $email', 'Subject: bla bla bla'
                                                                           );
        $send_params['from']  = 'xxxx@xxx.ru';                                                                        // This is used as in the MAIL FROM: cmd
                                                                                                                                                                                // It should end up as the Return-Path: header
        $send_params['body']  = "ляляля,

                                $site_path/activate.php?id=$userid&code=$db_password

                                $site_path/login.php

                                логин: $username
                                пароль: $password

                               ляляля!";                                                                                // The body of the email

        if(is_object($smtp = smtp::connect($params)) AND $smtp->send($send_params)){
                echo 'отправили!'."\r\n\r\n";

                // Any recipients that failed (relaying denied for example) will be logged in the errors variable.
                print_r($smtp->errors);

        }else{
                echo ля ляля!'."\r\n\r\n";

                // The reason for failure should be in the errors variable
                print_r($smtp->errors);
        }
}

?>