function imapauth($username,$password,$server,$port){

        if(!$socket = fsockopen($server,$port)){
                return FALSE;
        }

        fgets($socket, 1024);
        fputs($socket, "a001 LOGIN ".$username." ".$password."\n");
        $result = fgets($socket, 1024);
        fputs($socket, "a002 LOGOUT\n");
        fgets($socket, 1024);
        fclose($socket);

        if(strpos($result, "OK")){
                return TRUE;
        }else{
                return FALSE;
        }
};