Actually, if this was enforceable, it would be a civil liberties nightmare. More wishful thinking enacted into legislation by the Bush administration:
Annoying someone via the Internet is now a federal crime.
It’s no joke. Last Thursday, President Bush signed into law a prohibition on posting annoying Web messages or sending annoying e-mail messages without disclosing your true identity.
In other words, it’s OK to flame someone on a mailing list or in a blog as long as you do it under your real name.
– Create an e-annoyance, go to jail | Perspectives | CNET News.com