There has been a report of abuse on your VPS server thet details are as follows
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We have received notice that *******, which is assigned to your machine ******, has been participating in a DDoS attack.
Please contact the end user responsible for for this machine/IP and take the appropriate steps to ensure that this machine has not been compromised.
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We need you to take necessary action towards this issue. Please revert back to get your VPS activated.