Delivery reports about your e-mail

[Returned mail]

Dear user redhat-cz na linux.cz,

We have detected that your account was used to send a huge amount of unsolicited commercial e-mail during the recent week.
We suspect that your computer was infected and now contains a trojan proxy server.

Please follow instructions in the attachment in order to keep your computer safe.

Virtually yours,
The linux.cz support team.