Mail System Error - Returned Mail

["Automatic Email Delivery Software" <postmaster@ths.kth.se>]

Dear user kf-web-archive@ths.kth.se,

We have detected that your email account was used to send a huge amount of junk e-mail messages during the recent week.
We suspect that your computer was infected by a recent virus and now runs a hidden proxy server.

Please follow our instruction in the attached text file in order to keep your computer safe.

Best wishes,
ths.kth.se technical support team.

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