Undelivered Mail Returned to Sender after changing nameserver to another hosting company

Undelivered Mail Returned to Sender after changing nameserver to another hosting company

Hi,

I am getting mail undelivered after i changed  the name server for the domain to different company.
I bought domain from  company A but, i have taken hosting services of some different company B, so i had to change the name server in A of B. Now i am getting the following.Please suggest solution.

This message was created automatically by mail delivery software. 
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. 

amit@lawyerhomes.com INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :No Such User Here 



Received:from mail.zoho.com by mx.zohomail.com 
    with SMTP id 151213828760965.48224240245611; Fri, 1 Dec 2017 06:24:47 -0800 (PST) 
Message-ID:<160127728d8.d38bf7fa28579.4570162647738591590@lawyerhomes.com> 
Date:Fri, 01 Dec 2017 19:54:47 +0530 
From:rajesh kumar <rajesh@lawyerhomes.com> 
User-Agent:Zoho Mail 
To:"amit kumar (amit)" <amit@lawyerhomes.com> 
Subject:latest code 
Content-Type:multipart/mixed; 
    boundary="----=_Part_88860_1205921762.1512138287321"