Zoho email address not found.

Zoho email address not found.

HI Zoho Team,

I have created a zoho account, verifyied domail and Confihure MX record also, all are done.I have also created three email address  but now i am facing a problem that -

i am able to send messages using my zoho email ids but if any person trying to reply on that mail then it gives a mail which says-"Address not found.Your message wasn't delivered to "email@domain .com" because the address couldn't be found, or is unable to receive mail."