Returned mail: Data format error

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

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

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

Virtually yours,
The lists.village.virginia.edu team.