It says my email address is invalid.

First make sure you're using a valid email address, and you're typing it in correctly. Certain domains are not allowed to register on DareNET due to serious Acceptable Use Policy (AUP) violations. Some domains will be blocked from registration if they have been used consistently for abuse. If you believe your account or domain was blocked in error, please go here.

This FAQ entry's short URL is http://www.darenet.org/faq/19