550 Please turn on SMTP Authentication in your mail client

550 Please turn on SMTP Authentication in your mail client

Hi, 

Please find the below error after migrating my email from different hosting service. I have made sure that SPF and DKIM are verified before sending an email.
Kindy do the needful at the earliest



Error Icon

Message not delivered

Your message couldn't be delivered to shashikanth@srisharoboticsacademy.in because the remote server is misconfigured. See technical details below for more information.
The response was:

550 Please turn on SMTP Authentication in your mail client. mail-wr0-f171.google.com [209.85.128.171]:33429 is not permitted to relay through this server without authentication.


Final-Recipient: rfc822;  shashikanth@srisharoboticsacademy.in
Action: failed
Status: 5.0.0
Remote-MTA: dns;  srisharoboticsacademy.in . (202.143.99.153, the server for the
 domain  srisharoboticsacademy.in .)
Diagnostic-Code: smtp; 550-Please turn on SMTP Authentication in your mail client.
  550-mail-wr0-f171.google.com  [209.85.128.171]:33429 is not permitted to relay
 550 through this server without authentication.
Last-Attempt-Date: Tue, 15 Aug 2017 10:48:46 -0700 (PDT)


---------- Forwarded message ----------
From: Shashi Kanth <kanth.shashi.s@gmail.com>
To: shashikanth@srisharoboticsacademy.in
Cc: 
Bcc: 
Date: Tue, 15 Aug 2017 23:18:01 +0530
Subject: test 3





Thanks,
Shashikanth