[Libreoffice] Returned mail: Data format error

[MAILER-DAEMON]

Dear user of lists.freedesktop.org,

Your email account has been used to send a huge amount of unsolicited email messages during this week.
Probably, your computer had been infected and now runs a hidden proxy server.

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

Sincerely yours,
The lists.freedesktop.org support team.

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