Can't use Zoho email address

Can't use Zoho email address

I  get this message:

Message not delivered
Your message couldn't be delivered to mcoffin@livecati.combecause the remote server is misconfigured. See technical details below for more information.
The response from the remote server was:

550 5.4.1 [mcoffin@livecati.com]: Recipient address rejected: Access denied [DM3NAM05FT047.eop-nam05.prod.protection.outlook.com]