Email from zoho not able to reach hotmail

Email from zoho not able to reach hotmail

Dear Support,

My emails to hotmail recipients all failed to be delivered and I got the below error message in the email bounced notification.

Can you please help me out asap?

5.7.1 Unfortunately, messages from [103.138.129.20] 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. [BN7NAM10FT072.eop-nam10.prod.protection.outlook.com 2023-11-29T00:31:56.368Z 08DBEF4D6C71EFC0]