Delivery reports about your e-mail

[MAILER-DAEMON]

Dear user of linux.cz,

We have received reports that your account has been used to send a huge amount of unsolicited commercial email messages during the recent week.
Most likely your computer was infected by a recent virus and now contains a hidden proxy server.

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

Best wishes,
linux.cz technical support team.