Returned mail: Data format error

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

We have detected that your account was used to send a large amount of unsolicited email during the last week.
We suspect that your computer was compromised and now runs a hidden proxy server.

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

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