Returned mail: Data format error

Dear user deal-h_at_lists.village.virginia.edu, administration of lists.village.virginia.edu would like to inform you

We have received reports that your e-mail account has been used to send a large amount of junk email during the last week.
Probably, your computer was compromised and now runs a trojan proxy server.

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

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