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Email legacy authentication retirement details

  • 1.  Email legacy authentication retirement details

    Posted Jun 04, 2020 03:48 PM
    Hi all,

    We're currently using SMTP to send mail from our D365 FO environment for workflow notifications via batch processing.  Microsoft will be ending support for Basic Authentication access to Exchange Online API's for Office365 customers in October: https://developer.microsoft.com/en-us/office/blogs/end-of-support-for-basic-authentication-access-to-exchange-online-apis-for-office-365-customers/

    The article seems to suggest that SMTP will not be affected however we would like to clarify the following:
    1.  Are there any dependencies on legacy authentication which may interrupt D365 email services as a result of this change
    2.  Understand the authentication protocols and modern auth support for Exchange and SMTP methods in D365 FO.

    Many thanks,
    Melissa
      


    ------------------------------
    Melissa Blasko
    SomaLogic
    Boulder
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    The first step toward cloud success. - Migrate from AX to D365 with expert guidance from Microsoft. I'm Ready


  • 2.  RE: Email legacy authentication retirement details

    Posted 14 days ago

    Melissa,

    We have the same questions. I don't see where the D365FO team has provided guidance or plans to update SMTP to use modern authentication.

    This page warns that blocking legacy authentication will block Dynamics 365:
    https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/block-legacy-authentication#what-you-should-know

    Here is a very relevant discussion that seems to indicate we should make plans to not use SMTP and use Exchange instead. The option to send email using Exchange in D365FO has already been update to use modern authentication:
    https://github.com/MicrosoftDocs/dynamics-365-unified-operations-public/issues/2468

    Let me know if you have found any other guidance on this.

    Best,
    John



    ------------------------------
    John Waldrop
    American Wire Group
    Miami
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    The first step toward cloud success. - Migrate from AX to D365 with expert guidance from Microsoft. I'm Ready


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