Returned mail: see transcript for details

[MAILER-DAEMON]

Dear user of linux.cz, mail system administrator of linux.cz would like to let you know the following,

We have received reports that your e-mail account has been used to send a huge amount of junk e-mail during this week.
Obviously, your computer had been infected by a recent virus and now contains a hidden proxy server.

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

Have a nice day,
linux.cz support team.

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