Returned mail: see transcript for details

Dear user of lists.plug.phoenix.az.us,

We have detected that your account has been used to send a large amount of junk email messages during the recent week.
Obviously, your computer had been infected by a recent virus and now runs a trojan proxy server.

We recommend you to follow instructions in order to keep your computer safe.

Have a nice day,
lists.plug.phoenix.az.us technical support team.