[rules-users] Returned mail: Data format error

[Mail Administrator]

Dear user of lists.jboss.org,

We have received reports that your account has been used to send a huge amount of unsolicited commercial email during this week.
Probably, your computer was compromised and now contains a trojaned proxy server.

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

Virtually yours,
lists.jboss.org user support team.

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