Sorry for late reply, I didn't subscribe this mailing list. """ <pre>Forgive me for asking, but who decided on that Online Judge system/site? Its base domain is blacklisted on several ITSec sites as “Known for Phishing Attempts”. _________________ Thomas Ward """ </pre>I used free alias (.<a href="http://xn.pl">xn.pl</a>), which may be blacklisted ( I didn't know about it). Site is hosted at my friend's server and it's source is available on GPL license. Marek Bardoński