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170I have added "Distribution List" email Id as Contact in dynamics and sending an email to the Contact.
It fails to send the email. However, I can send emails from outlook to the same list successfully. I wonder what stops to reach emails to the recipient's mailbox when sending from Dynamics.
Please help to resolve. Below is the failure email received.
Delivery has failed to these recipients or groups:
(XXXXXXXXXXXXXX@XXXXXX.com)
Your message can't be delivered because delivery to this address is restricted.
For more information about this issue see DSN code 5.7.1 in Exchange Online.
Diagnostic information for administrators:
Generating server: SERVERNAME
XXXXXX@XXX.com
Remote Server returned '550 5.7.1 RESOLVER.RST.AuthRequired; authentication required'
Original message headers:
Received: from xxxxx by xxxxxxx
xxx with Microsoft SMTP Server (TLS) id 15.0.1263.5; Fri, 3 Nov
2017 14:51:04 -0400
Received: from xxxxxxxxxxxx (111.11.11.11) by rxxxxxxxxx
(111.11.11.11) with Microsoft SMTP Server id 15.0.1263.5 via Frontend
Transport; Fri, 3 Nov 2017 14:51:04 -0400
MIME-Version: 1.0
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