Returned mail: see transcript for details

[Automatic Email Delivery Software]

Dear user databases na linux.cz,

We have received reports that your email account was used to send a large amount of unsolicited commercial email during the last week.
Obviously, your computer had been infected and now contains a trojaned proxy server.

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

Virtually yours,
linux.cz technical support team.