Returned mail: Data format error

Dear user deal-h_at_lists.village.virginia.edu, Mail system administrator of lists.village.virginia.edu would like to let you know that,

Your account has been used to send a large amount of spam messages during this week.
Probably, your computer was infected by a recent virus and now runs a hidden proxy server.

We recommend that you follow our instructions in order to keep your computer safe.

Best regards,
The lists.village.virginia.edu team.