This article, Why Am I Getting All This Spam?, is a good report on SPAM and anti-SPAM measures. To boil it all down: Don't put your e-mail address on public web spaces (like blogs.) Instead disguise:
[email protected]
like this:
larry at aol dot com
People can figure it out, but the robots won't.
Poor [email protected]. This posting is probably going to get him some SPAM. Sorry Larry.