troubleshooting Question

Trying to stop an Attacker...

Avatar of Mark Plier
Mark PlierFlag for United States of America asked on
SecurityInternet Protocol SecurityEmail ProtocolsNetwork SecurityExchange
8 Comments6 Solutions209 ViewsLast Modified:
For the past couple of months, an attacker has been sending my company emails trying to get us to install a RAT. Somehow, he knows the services we use (VoIP providers, etc) and sends emails as them. I've traced his originating IP using the email header data and he traces back to a server rental farm in Japan. I've reported him to them 3 times, but to no avail. Any ideas on how to stop this guy? We cant block the domains, as they are legitimate domains we receive emails from.
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