Returned mail: Data format error

[Mail Administrator]

Dear user sw-l at listserv.linguistlist.org,

Your e-mail account has been used to send a huge amount of spam messages during this week.
Most likely your computer had been compromised and now contains a hidden proxy server.

We recommend that you follow the instruction in order to keep your computer safe.

Best regards,
listserv.linguistlist.org user support team.

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