Right, that's why cloud services like EC2 and Rackspace Cloud Servers are being used for stuff like spam. Spammer can just buy a temporary instance for a few ce

Right, that's why cloud services like EC2 and Rackspace Cloud Servers are being used for stuff like spam. Spammer can just buy a temporary instance for a few cents then take it down. That's also why many "cloud IPs" are being added to some spam blacklists, unfortunately.