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Dynamics 365 Community / Forums / Service | Customer Service, Contact Center, Fie... / Your message wasn'...
Service | Customer Service, Contact Center, Fie...
Suggested Answer

Your message wasn't delivered because the recipient's email provider rejected it.

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Posted on by Ceypar 5

I am using a dynamics 365  trial account.

I can send an email to anyone using my outlook web app or outlook app with no issues. But if I created an email activity to dynamics 365 and send it to an internal email I will get the "undeliverable" email.

Diagnostic information for administrators:

Generating server: CH2PR15MB3654.namprd15.prod.outlook.com

00000000@demo7100.onmicrosoft.com
Remote Server returned '550 5.7.708 Service unavailable. Access denied, traffic not accepted from this IP. For more information please go to go.microsoft.com/.../ AS(7171) [CH2PR15MB3525.namprd15.prod.outlook.com]'

Original message headers:

Received: from CH2PR15MB3654.namprd15.prod.outlook.com
 ([fe80::8b4:5c69:6e9a:e71e]) by CH2PR15MB3654.namprd15.prod.outlook.com
 ([fe80::8b4:5c69:6e9a:e71e%4]) with mapi id 15.20.3348.016; Thu, 3 Sep 2020
 12:23:52 +0000
MIME-Version: 1.0
Content-Type: text/plain
Date: Thu, 3 Sep 2020 12:23:52 +0000
Message-ID:
	<D0508232BDD64CC380BB34D0A21F9BA61D681ED12E9B@000.0000000000.ONMICROSOFT.COM>
Subject: RE: email send outlook to dynamics

I also did try the delisting my email address but it is giving me an error message saying my email address and ip address is incorrect.

pastedimage1599137513735v3.png

Thank you

I have the same question (0)
  • Suggested answer
    LeoAlt Profile Picture
    LeoAlt 16,331 Moderator on at

    Hi Partner,

    Please go to Advanced Settings->Administration->System Settings, select "Allow messages with unresolved email recipients to be sent" to True.

    pastedimage1599186065880v1.png

    pastedimage1599186170821v2.png

    You could also refer to this link.

    https://community.dynamics.com/365/b/dynamics365enterprisecloudfronts/posts/ability-to-send-to-unresolved-email-address-in-d365-email#:~:text=There's%20a%20simple%20setting%20for,and%20let%20the%20email%20go!

    Best Regards,

    Leo

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