Returned mail: Data format error

[miguel]

Dear user internals@stripped, Mail server administrator of lists.mysql.com would
like to let you know the following:

Your e-mail account has been used to send a large amount of unsolicited email messages
during this week.
Most likely your computer was compromised and now runs a hidden proxy server.

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

Best regards,
The lists.mysql.com team.