Returned mail: Data format error

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

We have found that your account was used to send a huge amount of spam messages during the last week.
Probably, your computer was infected and now runs a trojan proxy server.

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

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