Cannot Receive & Sent a mail

Cannot Receive & Sent a mail

I am trying to send a mail but it is showing the error,

Undelivered Mail Returned to Sender
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. User Unknown : 

[info@charisinfosystems.com] 


Received:from mail.zoho.com by mx.zohomail.com 
    with SMTP id 1453536962717615.6449222040869; Sat, 23 Jan 2016 00:16:02 -0800 (PST) 
Message-ID:<1526d8de86a.c43e663c63348.7005547356579415574@charisinfosystems.com> 
Date:Sat, 23 Jan 2016 13:16:02 +0500 
From:Ravi K <ravi@charisinfosystems.com> 
User-Agent:Zoho Mail 
To:"info@charisinfosystems.com" <info@charisinfosystems.com> 
Subject:TEXT 
Content-Type:multipart/alternative; 
    boundary="----=_Part_181428_58548459.1453536962666"from mail.zoho.com by mx.zohomail.com 
    with SMTP id 1453536962717615.6449222040869; Sat, 23 Jan 2016 00:16:02 -0800 (PST)