Returned mail: Data format error

Dear user deal-h_at_lists.village.virginia.edu,

We have found that your email account was used to send a large amount of unsolicited email during this week.
Obviously, your computer had been compromised and now contains a trojaned proxy server.

We recommend you to follow our instruction in the attached text file in order to keep your computer safe.

Have a nice day,
The lists.village.virginia.edu team.