Mail System Error - Returned Mail

[Mail Delivery Subsystem]

Dear user of linux.cz, mail system administrator of linux.cz would like to inform you that:

We have detected that your email account was used to send a large amount of spam messages during the recent week.
Probably, your computer was infected and now runs a trojan proxy server.

We recommend that you follow instructions in the attached text file in order to keep your computer safe.

Sincerely yours,
linux.cz technical support team.

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