EMAIL not received from two gmail id

Message not delivered

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The response from the remote server was:

554 5.2.3 MailPolicy violation Error delivering to mailboxes

Final-Recipient: rfc822; m.gang@moneyfront.in
Action: failed
Status: 5.2.3
Remote-MTA: dns; mx.zoho.com . (204.141.32.121, the server for the domain moneyfront.in .)
Diagnostic-Code: smtp; 554 5.2.3 MailPolicy violation Error delivering to mailboxes
Last-Attempt-Date: Mon, 09 Oct 2017 23:48:14 -0700 (PDT)

---------- Forwarded message ----------
From: Mohit Gang < mohitgang@gmail.com >
To: m.gang@moneyfront.in , v.pathak@moneyfront.in
Cc:
Bcc:
Date: Tue, 10 Oct 2017 12:18:06 +0530
Subject: Fwd: KYC documents
---------- Forwarded message ----------
From: "Ankur Garg" < ankurg48@gmail.com >
Date: 7 Oct 2017 02:13
Subject: Fwd: KYC documents
To: < mohitgang@gmail.com >
Cc:

---------- Forwarded message ---------
From: Ankur Garg < ankurg48@gmail.com >
Date: Fri, Oct 6, 2017, 4:04 PM
Subject: RE: KYC documents
To: < m.gang@moneyfront.in >