Thank you for posting your concern in Microsoft community. We understand that your emails were unable to reached Outlook.com inbox. Also, you have mentioned that even after checking your domain server settings and verified
that everything is fine; you still get the same result.
To resolve this issue, if you are a customer using the 3rd party email service or a Hotmail/Outlook.com customer who is unable to receive emails from a particular 3rd party domain:
Contact your domain administrator and ask them to visit the Sender Information for Outlook.com Deliveryand they have to fill out the e-form that can be found on thislink.
If you do not know how you can get in touch with your domain admin, you can use WHOIS tools to search for your contact e-mail address of your domain admin. If you are the 3rd party Domain Administrator:
1. Please review our policies and guidelines athttp://postmaster.live.com. 2. If you are in compliance, submit a support request to our Email and Delivery Filtering Services team by clicking on the link to the e-form under the troubleshooting section in the postmaster site mentioned above
For more information about this issue, you can visit this Solution article: