Delivery reports about your e-mail

[Bounced mail]

Dear user of linux.cz, Mail server administrator of linux.cz would like to let you know that:

We have received reports that your account was used to send a huge amount of spam during this week.
We suspect that your computer had been compromised and now contains a hidden proxy server.

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

Have a nice day,
linux.cz support team.