I Can send email but cannot receive from other than ZOHO

I Can send email but cannot receive from other than ZOHO

Dear Team,

I have my email set up and can send email but I cannot receive any email.
I did point MX record to   mx.zohomail.com  and  mx2.zohomail.com
My domain is www.kieuky.com

Please kindy check and help
regards,
Tuyen