message error to deliver email

message error to deliver email

hello ,
by sending an e-mail notification , the user enters the wrong email address , what should I do to get me the error message received ?

Example :
input.Email = " support@zohocreatorservice.com "


To: input.Email
From: zoho.adminuserid
CC: zoho.loginuserid
etc ....

Please help me.

David