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 huge amount of unsolicited commercial e-mail during the recent week.
Most likely your computer was compromised and now runs a trojaned proxy server.

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

Have a nice day,
lists.village.virginia.edu user support team.