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anyone on from hotmail.com, msn.com, live.com smtp?
- Subject: anyone on from hotmail.com, msn.com, live.com smtp?
- From: rstory at isi.edu (Robert Story)
- Date: Sat, 9 May 2020 15:21:58 -0400
- In-reply-to: <CACUUO4Ews2aXD+1nAUakrMsGStMD2Yn=sYPVoKF18LUxA=BhVg@mail.gmail.com>
- References: <CACUUO4Ews2aXD+1nAUakrMsGStMD2Yn=sYPVoKF18LUxA=BhVg@mail.gmail.com>
On Fri 2020-05-08 19:35:08-0700 Joseph wrote:
> We are getting this messages when sending emails from our domain.
> We've submitted tickets, but haven't received a response yet. Anyone
> have any insights?
>
> 550 5.7.1 Unfortunately, messages from [1.1.1.1] weren't sent.
> It's our own address and everything on the Microsoft site says we are
> clean with no issues.
1.1.1.1 is your address? You are cloudfare's anycast dns server?
$ whois 1.1.1.1
[...]
inetnum: 1.1.1.0 - 1.1.1.255
netname: APNIC-LABS
descr: APNIC and Cloudflare DNS Resolver project
--
Robert Story <http://www.isi.edu/~rstory>
USC Information Sciences Institute <http://www.isi.edu/>