That and S3140 indicates that your traffic is being throttled.
You could try slowing down your delivery rate to not trip the breakers. That's all I can say. 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> ? -----Original Message----- From: mailop <[email protected]> On Behalf Of Thomas Scott via mailop Sent: Thursday, August 21, 2025 12:08 AM To: [email protected] Subject: [EXTERNAL] [mailop] Microsoft contact (S3150 blocklist issue) Hi all, I'm searching for a contact to Microsoft to get help with a S3150 blocklist issue. I've opened a support request (7084709295) two days ago, but so far haven't received any response. Thanks a lot in advance, kind regards, Thomas Scott _______________________________________________ mailop mailing list [email protected]<mailto:[email protected]> https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Flist.mailop.org%2Flistinfo%2Fmailop&data=05%7C02%7Cmichael.wise%40microsoft.com%7Ceac9ffacb9394247335808dde082bc8c%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638913574332049793%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Rl7b3BefU8itfSCG3dKnGbWMbtqJwR4npxQn0Fiet28%3D&reserved=0<https://list.mailop.org/listinfo/mailop>
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