This is a bit off topic, but related. If anyone is getting really hacked off with spam, try a program called mailwasher. It lets you view e-mails before you download them and then bounce junk back to the source. The source thinks your e-mail doesnt work and removes you from their mailing list (at least thats the theory). You can download it -
http://www.mailwasher.net/download/index.php?ver=19