Hi Nate, I’m not in any way associated with Microsoft, but
> 10. des. 2020 kl. 18:07 skrev Nate Burke via mailop <[email protected]>: > > Hello, I was hoping someone from Microsoft could contact me offlist for help > getting our server (66.151.17.22) removed from the Microsoft blacklist. I'm > having problems sending to outlook.com/msn.com and others with domains hosted > at office365. I can't find any issues with the server, and I don't appear to > be on any other blacklists, but all messages to Microsoft are either getting > rejected or sent to the spam folder. The mailserver has been at this IP for > many many years, but these issues just started about 10 days ago. > reading the message you quote, > Any help would be appreciated. > > Error message; > > <<< 550 5.7.1 Unfortunately, messages from [66.151.17.22] weren't sent. > Please contact your Internet service provider since part of their network is > on our block list (S3150). You can also refer your provider to > http://mail.live.com/mail/troubleshooting.aspx#errors. > [BN8NAM12FT057.eop-nam12.prod.protection.outlook.com] it looks to me they’re really telling you to talk to your upstream (Internap if I read the whois for 66.151.17.22 correctly. > The link does not appear to have any way for admins to view/remove the server > from the blacklist. As is par for the course. It is the natural default assumption that the problem is caused elsewhere. FWIW, the last interaction I had with the powers that be at Microsoft over a related manner, it took a few days after I had published a blog article (https://bsdly.blogspot.com/2018/02/a-life-lesson-in-mishandling-smtp.html <https://bsdly.blogspot.com/2018/02/a-life-lesson-in-mishandling-smtp.html>) before any visible reaction from their end. - Peter — Peter N. M. Hansteen, member of the first RFC 1149 implementation team http://bsdly.blogspot.com/ http://www.bsdly.net/ http://www.nuug.no/ "Remember to set the evil bit on all malicious network traffic" delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.
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