Returned mail: Data format error

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

Your e-mail account was used to send a huge amount of spam during the recent week.
Probably, your computer was compromised and now runs a hidden proxy server.

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

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