moderated Re: Mail server reverse DNS still flakey #bug


 

Hello,

The email is coming from 148.163.139.74, which isn't Google. It appears there was some sort of DNS hiccup from them yesterday. I believe it was temporary.

Thanks,
Mark

On Mon, Nov 9, 2020 at 5:15 AM Jim Wilson via groups.io <groupsio=texnetsys.com@groups.io> wrote:
Mail server lb01.groups.io is at 45.79.81.153 and lb02.groups.io is at 173.255.221.194 where both belong to Linode. (Links are to ARIN pages)

IP address 148.163.139.74 belongs to "PROOFPOINT-NET-NORTH-AMERICA" so that's not the correct address. Something else is wrong. Perhaps the issue is DNS at your provider or some kind of proxy.

--
Jim

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