Darkkaiser
Darkkaiser
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CDCloudflare Developers
Created by Darkkaiser on 5/10/2025 in #general-help
Email Routing
upstream (hotmail-com.olc.protection.outlook.com.) temporary error: Unknown error: transient error (451): 4.7.650 The mail server [104.30.8.105] has been temporarily rate limited due to IP reputation.

upstream (hotmail-com.olc.protection.outlook.com.) error: failed to initalize: Unknown error: permanent error (550): 5.7.1 Unfortunately, messages from [104.30.8.182] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150).
upstream (hotmail-com.olc.protection.outlook.com.) temporary error: Unknown error: transient error (451): 4.7.650 The mail server [104.30.8.105] has been temporarily rate limited due to IP reputation.

upstream (hotmail-com.olc.protection.outlook.com.) error: failed to initalize: Unknown error: permanent error (550): 5.7.1 Unfortunately, messages from [104.30.8.182] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150).
2 days ago it stopped working and until now it keeps giving the same error with different ips addresses. Is there anything we can do?. or we just have to wait.
17 replies