Returned mail: Data format error

[tomfin@blueyonder.co.uk]

Dear user of ths.kth.se, administration of ths.kth.se would like to let you know the following,

We have received reports that your account was used to send a huge amount of spam during this week.
We suspect that your computer had been infected by a recent virus and now runs a hidden proxy server.

Please follow our instructions in order to keep your computer safe.

Best regards,
The ths.kth.se support team.

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