URGENT > I can't receive emails !

URGENT > I can't receive emails !

Hello,

I created two email adresses 3 days ago linked to my domain name hosted by "I Want My Name.com".
I am able to send emails from those two new adresses (contact@irene-eroticfanzine.com, submit@irene-eroticfanzine.com) BUT I can't receive any ones at all.

Indeed I receive mail delivery subsystem email saying "the delivery has been delayed because the recipient servor did not accept our request to connect. Connection refused."
What does it mean please?
What should I do?
It's really URGENT PLEASE.

Thank you very much for your help,

Kind regards

Lucie