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I am receiving a scam email saying email not sent and the email is being sent hundreds of times how do i stop it?

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I am suddenly receiving hundreds of scam emails stating that an attempted email did not send. It is some kind of a scam. What can I do to stop these emails coming through. I just turned on my laptop to check for an email from a client and I have 790 emails! and the majority of them are from this scam email delivery failed email, saying email delivery fault

I am suddenly receiving hundreds of scam emails stating that an attempted email did not send. It is some kind of a scam. What can I do to stop these emails coming through. I just turned on my laptop to check for an email from a client and I have 790 emails! and the majority of them are from this scam email delivery failed email, saying email delivery fault

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