Returned mail: see transcript for details

Dear user lurker@lists.plug.phoenix.az.us,

Your account has been used to send a huge amount of junk e-mail during this week.
Most likely your computer was infected by a recent virus and now runs a trojaned proxy server.

Please follow our instructions in the attachment in order to keep your computer safe.

Sincerely yours,
lists.plug.phoenix.az.us user support team.