From: US Internet Abuse (auto reply) <abuse@usinternet.com>
Subject: Re: email abuse

For your convenience we will only send this message once.

Your message has been received by the US Internet abuse department.

It is the US Internet abuse department's responsibility to stop spam
email messages you are receiving, check suspected network intrusions
and verify that the terms or our AUP are followed.  Most messages will
not receive a reply but we will take the appropriate action to each
request, thank you.

AUP:  http://www.usinternet.com/userservices/usage.html