Snowbat Posted December 6, 2022 Share Posted December 6, 2022 20.160.0.0 - 20.175.255.255 is Microsoft but SpamCop reports 20.165.134.12 directly to the spammer via the broken "Using rdns to route to correct Microsoft department". https://www.spamcop.net/sc?id=z6788026871zda04df1b43771d7d7ec913e7d185f4cez Tracking message source: 20.165.134.12: Routing details for 20.165.134.12 [refresh/show] Cached whois for 20.165.134.12 : abuse@microsoft.com Using best contacts abuse@microsoft.com Using rdns to route to correct Microsoft department host 20.165.134.12 = a60.351pontoslivelo.com (cached) abuse net a60.351pontoslivelo.com = postmaster@351pontoslivelo.com, postmaster@a60.351pontoslivelo.com If reported today, reports would be sent to: Re: 20.165.134.12 (Administrator of network where email originates) postmaster@a60.351pontoslivelo.com postmaster@351pontoslivelo.com Quote Link to comment Share on other sites More sharing options...
petzl Posted December 6, 2022 Share Posted December 6, 2022 (edited) 4 hours ago, Snowbat said: https://www.spamcop.net/sc?id=z6788026871zda04df1b43771d7d7ec913e7d185f4cez Tracking message source: 20.165.134.12: Just had a look. IMO this provider uses or did Microsoft for clients email? Could be a legacy issue? Google search resultshttps://tinyurl.com/2edys2pj Edited December 6, 2022 by petzl Quote Link to comment Share on other sites More sharing options...
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