How do I report someone for griefing?

There is a short outage in the middle of this. Anything not mentioned here works the way it did yesterday. Thanks to everyone who reported it while it was broken. This has been on the test server for two weeks.

It is smaller than it sounds, and it only affects new accounts. Anything not mentioned here works the way it did yesterday. This has been on the test server for two weeks. There is a short outage in the middle of this.