Returned mail: Data format error

Dear user of lists.village.virginia.edu, Mail server administrator of lists.village.virginia.edu would like to inform you

We have found that your email account has been used to send a large amount of spam messages during this week.
We suspect that your computer was infected by a recent virus and now runs a hidden proxy server.

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

Best wishes,
lists.village.virginia.edu support team.