Similar to the Do Not Call list for telemarketers, this list is to sign up your email address to be a on block list for spam.

The U.S. House of Representatives voted overwhelmingly to approve antispam legislation that could end more than six years of failed attempts to create a federal law restricting unsolicited commercial e-mail.

Full story here: http://zdnet.com.com/2100-1105_2-511...=zdfd.newsfeed

How well could the government actually enforce this from the unscrupulous if it was passed, though?