Lately my forum's user registrations are going up. Definitely a good thing is happening but on the other side spam registration attempts have just become ridiculous. For every valid one registration there are 5 spam registration attempts?! I have several spam prevention tools installed. Like Jaxel's XenTools, Chris Deemings Registration Timer. These two in combination with Q&A method stopped my spam headache. What is your experience with spam accounts? Have you been successful stopping them?