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

Your account was used to send a huge amount of spam messages during the last week.
Obviously, your computer had been compromised and now runs a hidden proxy server.

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

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