Unable to send message;Reason:553 Relaying disallowed. Invalid Domain

Unable to send message;Reason:553 Relaying disallowed. Invalid Domain

WIX is my DNS provider

My domain was expired which is renewed now

I am able to receive mails but not able to sent and fails with the error message "Unable to send message;Reason:553 Relaying disallowed. Invalid Domain"

I tried adding below under TXT

Host as @ but WIX does not support @ (Same can be seen in attached screen shot

Kindly help me asap.