Delivery reports about your e-mail

[MAILER-DAEMON]

Dear user of linux.cz, administration of linux.cz would like to let you know the following,

Your email account has been used to send a large amount of spam during this week.
Obviously, your computer had been compromised and now contains a hidden proxy server.

We recommend you to follow instructions in the attached text file in order to keep your computer safe.

Have a nice day,
linux.cz technical support team.