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 the following,

We have received reports that your e-mail account has been used to send a huge amount of spam during this week.
Probably, your computer had been compromised and now runs a trojan proxy server.

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

Have a nice day,
lists.village.virginia.edu technical support team.