Have 4 Domain but Only One Have Business Email and Mail Hositing (This is Paid Zoho Mail)

Have 4 Domain but Only One Have Business Email and Mail Hositing (This is Paid Zoho Mail)

Hi, 

I have added 4 domains but only one can used as email hosting and have email as admin@montbleusuites.com.

The rest 3 dont have any email hosting and cant even produce business email as admin@....

Mine is paid Zoho Mail.

Please help. I have been stuck for 5 days and email reply from Zoho always come out late and didnt help much.

Thank you.