Snowbat Posted July 26, 2021 Share Posted July 26, 2021 51.140.0.0 - 51.145.255.255 is Microsoft but SpamCop reports 51.141.122.96 directly to the spammer via the broken "Using rdns to route to correct Microsoft department". https://www.spamcop.net/sc?id=z6718569013z01d30c17e691d30fef20e9b4b0c1a075z Tracking message source: 51.141.122.96: Routing details for 51.141.122.96[refresh/show] Cached whois for 51.141.122.96 : abuse@microsoft.com Using best contacts abuse@microsoft.com Using rdns to route to correct Microsoft department host 51.141.122.96 = acesso146.promoptsparaempresasmkstapp.com. (cached) abuse net promoptsparaempresasmkstapp.com = postmaster@promoptsparaempresasmkstapp.com If reported today, reports would be sent to: Re: 51.141.122.96 (Administrator of network where email originates)postmaster@promoptsparaempresasmkstapp.com Quote Link to comment Share on other sites More sharing options...
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