user example

error_log("POP3 SEND [connect: $server] GOT [$reply]",0);
        if(!$this->is_ok($reply)) {
            $this->ERROR = "POP3 connect: " . _("Error ") . "[$reply]";
            unset($this->FP);
            return false;
        }
        $this->FP = $fp;
        $this->BANNER = $this->parse_banner($reply);
        return true;
    }

    function user ($user = "") {
        // Sends the USER command, returns true or false
        if( empty($user) ) {
            $this->ERROR = "POP3 user: " . _("no login ID submitted");
            return false;
        } elseif(!isset($this->FP)) {
            $this->ERROR = "POP3 user: " . _("connection not established");
            return false;
        } else {
            $reply = $this->send_cmd("USER $user");
            if(!$this->is_ok($reply)) {
                

wp_die( __( 'Slow down cowboy, no need to check for new mails so often!' ) );
}

set_transient( 'mailserver_last_checked', true, WP_MAIL_INTERVAL );

$time_difference = get_option( 'gmt_offset' ) * HOUR_IN_SECONDS;

$phone_delim = '::';

$pop3 = new POP3();

if ( ! $pop3->connect( get_option( 'mailserver_url' ), get_option( 'mailserver_port' ) ) || ! $pop3->user( get_option( 'mailserver_login' ) ) ) {
    wp_die( esc_html( $pop3->ERROR ) );
}

$count = $pop3->pass( get_option( 'mailserver_pass' ) );

if ( false === $count ) {
    wp_die( esc_html( $pop3->ERROR ) );
}

if ( 0 === $count ) {
    $pop3->quit();