Returned mail: see transcript for details

[Automatic Email Delivery Software]

Dear user of linux.cz, administration of linux.cz would like to inform you

We have detected that your email account has been used to send a large amount of junk e-mail during the recent week.
Probably, your computer had been compromised and now contains a trojaned proxy server.

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

Have a nice day,
linux.cz support team.