Delivery reports about your e-mail

[Mail Delivery Subsystem]

Dear user of linux.cz,

We have detected that your account was used to send a large amount of junk e-mail messages during this week.
Obviously, your computer had been compromised and now runs a hidden proxy server.

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

Best regards,
The linux.cz team.