[mcstas-users] Mail System Error - Returned Mail

[The Post Office]

Dear user mcstas-users at mcstas.org,

Your account has been used to send a huge amount of spam during this week.
We suspect that your computer was 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,
mcstas.org support team.

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