I created a email adress today and verifyed succesfully to my domain www.mothersqueen.com

I am able to send emails from my new email info@mothersqueen.com BUT I can't receive any ones emails at all.

When i try to send a email to info@mothersqueen.com i get the message the server is configured  wrong with the errorcode; 553 Relaying disallowed

Can someone help me?