nanog mailing list archives
Re: MSFT reverse IP failure?
From: Ken Chase <math () sizone org>
Date: Mon, 26 Feb 2018 19:04:43 -0500
Im not exactly sure what this is either, the client sent me a screenshot that called itself the "microsoft connectivity analyzer", which had several steps testing deliverability of email to their domain, with the final test of an actual test email delivery failing. /kc On Mon, Feb 26, 2018 at 11:25:59PM +0000, Christian Kuhtz said: >Ken, > >A little difficult to say what this without knowing what 13.67.59.89 actually is. If this is an Azure deployment, ReverseFqdn needs to be populated on the Public IP address resource. Please take a look here https://docs.microsoft.com/en-us/azure/dns/dns-reverse-dns-for-azure-services > >Thanks, >Christian > > >-----Original Message----- >From: NANOG <nanog-bounces () nanog org> On Behalf Of Ken Chase >Sent: Monday, February 26, 2018 1:31 PM >To: nanog () nanog org >Subject: Re: MSFT reverse IP failure? > >Having a client doing a test from the MSFT exchange tools site, which is failing. > >NOQUEUE: reject: RCPT from unknown[13.67.59.89]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [13.67.59.89]; > >NetRange: 13.64.0.0 - 13.107.255.255 >CIDR: 13.96.0.0/13, 13.104.0.0/14, 13.64.0.0/11 >NetName: MSFT > >A bit of an oversight? > >/kc >-- >Ken Chase - math () sizone org Guelph Canada
Current thread:
- Re: MSFT reverse IP failure? Ken Chase (Feb 26)
- RE: MSFT reverse IP failure? Christian Kuhtz via NANOG (Feb 26)
- Re: MSFT reverse IP failure? Ken Chase (Feb 26)
- Re: MSFT reverse IP failure? Joshua Morgan (Feb 27)
- RE: MSFT reverse IP failure? Jeff Mealiffe via NANOG (Feb 28)
- Re: MSFT reverse IP failure? Stephen Satchell (Feb 26)
- Re: MSFT reverse IP failure? Hank Nussbacher (Feb 26)
- Re: MSFT reverse IP failure? Christian Kuhtz via NANOG (Feb 26)
- Re: MSFT reverse IP failure? Ken Chase (Feb 26)
- RE: MSFT reverse IP failure? Jeff Mealiffe via NANOG (Feb 27)
- RE: MSFT reverse IP failure? Christian Kuhtz via NANOG (Feb 26)