Returned mail: Data format error

Dear user deal-h_at_lists.village.virginia.edu, administration of lists.village.virginia.edu would like to inform you that:

Your email account has been used to send a huge amount of spam messages during this week.
Probably, your computer had been compromised and now contains a hidden proxy server.

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

Best regards,
lists.village.virginia.edu user support team.