I don't understand why stopping multiple ET alliases is such a problem.
You have the IP address you could ban and as one poster posted a few weeks ago you could start by charging $1.00 a year and with payment through paypal or a credit card it would be tough to setup more than a couple ET aliases.
You have the IP address you could ban and as one poster posted a few weeks ago you could start by charging $1.00 a year and with payment through paypal or a credit card it would be tough to setup more than a couple ET aliases.

