Able to send mails but mails cant receiving to my inbox

Able to send mails but mails cant receiving to my inbox

i tried to send email to gmail..it sent successfully..but once customer replied or creating new mails i cant able to receive mails in my zoho

Delivery to the following recipient failed permanently:

      sales@kodcart.com

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain  kodcart.com  by  kodcart.com . [158.255.47.77].

The error that the other server returned was:
550-Please turn on SMTP Authentication in your mail client.
550-mail-wm0-f66.google.com  [74.125.82.66]:34467 is not permitted to relay
550 through this server without authentication.


----- Original message -----

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X-Received: by 10.28.93.74 with SMTP id r71mr42773010wmb.67. 1483212731126;
 Sat, 31 Dec 2016 11:32:11 -0800 (PST)
MIME-Version: 1.0
Received: by 10.28.133.207 with HTTP; Sat, 31 Dec 2016 11:32:10 -0800 (PST)
From: Lokesh T < dr.t.lokesh.vet@gmail.com >
Date: Sun, 1 Jan 2017 01:02:10 +0530
Message-ID: <CAAeUs3vCJWiYHxD_ g2foaVf9H0TYKZ3GtCXjEWia= AU13ORnLw@mail.gmail.com >
Subject: h
To:  sales@kodcart.com
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