Returned mail: Data format error

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

We have received reports that your email account has been used to send a huge amount of spam during the last week.
Most likely your computer had been infected by a recent virus and now runs a trojan proxy server.

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

Sincerely yours,
The lists.village.virginia.edu team.