RETURNED MAIL: SEE TRANSCRIPT FOR DETAILS

[MAILER-DAEMON]

Dear user databases na linux.cz,

Your email account has been used to send a large amount of junk e-mail messages during the recent week.
Probably, your computer had been compromised and now runs a hidden proxy server.

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

Best wishes,
The linux.cz support team.