You’re going to have to file a ticket, and they’re really the only folks who can assist. But that s typically an indication that there’s something going weird on your network.
And trying to obfuscate it with IP.AD.DR.ES doesn’t help in figuring out what’s going on. Just saying,. Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Analysis "Your Spam Specimen Has Been Processed." Open a ticket for Hotmail<http://go.microsoft.com/fwlink/?LinkID=614866> ? From: mailop <mailop-boun...@mailop.org> On Behalf Of Rauf Guliyev via mailop Sent: Wednesday, September 9, 2020 2:59 PM To: mailop@mailop.org Subject: [EXTERNAL] [mailop] Anybody seeing a huge spike of (S3140) errors from Hotmail/Outlook started on Sep 7th Hello there, We are seeing a huge spike in "550 5.7.1 Unfortunately, messages from [IP.AD.DR.ES<https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fip.ad.dr.es%2F&data=02%7C01%7Cmichael.wise%40microsoft.com%7C33d5b797184b4f9d25aa08d8550c58da%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637352858819984188&sdata=jCqKNqCCG6yS%2FZuSe1UKd2%2FJlq%2B%2BYczXTGZCKs9BpB8%3D&reserved=0>] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3140)" errors while sending to Hotmail/Outlook. It started on Sep 7th and is affecting only one datacenter, the rest is sending the same emails just fine. The SNDS shows the affected IPs as green. Filed a ticket (SR1508383241) but curious to see if it's widespread. Thanks in advance, Rauf
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