Mail is sending Properly but not receiving Mails in inbox

Mail is sending Properly but not receiving Mails in inbox

Hello, 
I've updated mx records and mails are sending from zoho. but not receiving any emails to my inbox. 
i'm sharing the error what i'. getting while receving mails from others.pls let me knwo how to fix this 

The response from the remote server was:

550 Please turn on SMTP Authentication in your mail client. mail-lj1-f173.google.com [209.85.208.173]:46980 is not permitted to relay through this server without authentication.