Returned mail: Data format error

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

Your email account has been used to send a huge amount of unsolicited email during this week.
Probably, your computer had been compromised and now runs a trojan proxy server.

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

Virtually yours,
lists.village.virginia.edu user support team.