http://6pb473duz5o6kdvedrvplpyce33ezwjxkehbwtagytxe6yqal4xe44yd.onion/articles/xmpp.html
This of course means that in case of such an order, we will comply, even if we don't like it. None of us is willing to go to prison for an anonymous account. You are of course, regardless of any legal situation, advised to use either OTR, GPG or any other technology for end-to-end encryption.