mail.protection.outlook.com rejected an email from our domain

Question

Good afternoon When you try to send emails from Our domain, "hotmail.com" rejects receiving emails from your side. Tell me how to add our domain to "Whitelist"?

Answer 1

Hello,

Thanks for reaching out! I'm Microsoft user like you.

Please inform to your Domain hosting provider and ask to fill below form to De-List ip from Microsoft.

https://sender.office.com/

Best Regards,

Prakash

Answer 2

Hello,

" *************@hotmail.com
DM3NAM02FT027.mail.protection.outlook.com
Remote Server returned '550 5.7.1 Unfortunately, messages from [18*.*5.1*4.4] 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. [DM3NAM02FT027.eop-nam02.prod.protection.outlook.com 2023-06-08T13:15:40.347Z 08DB6703C2FB2BB6]' "

Answer 3

Hello,

Thanks for reaching out! I'm Microsoft user like you.

Please share what is Rejected message or NDR ( Non Delivery Report ) you received when you send emails from your Domain ?

Best Regards,

Prakash