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Courtnie McGlothlin Leap ERP Administrator

Courtnie McGlothlin

Joined: 10/17/2025

  • D365 F&O Multi-company email sending using SMTP authentication with username and password.

    Fri, 17 Oct 2025 16:54:35 GMT – Dynamics 365 Finance – New 

    Company Issue:

    D365 F&O SMTP can send emails from multiple domains

    DMARC is blocking emails from being received, if the email domain (company) does not match the SMTP user authentication account. (domain)

    DMARC will not allow email to be received, is stating it is not secure email traffic. 

     

    Microsoft -

    Investigating potential configurations or workarounds that would enable sending emails from multiple domains in D365 F&O without encountering DMARC issues. Microsoft current reply - How to configure mail for D365- URL

      

    Company Policy

    DMARC is configured per company policy

    SMTP is configured per company policy

    Graph API - does not work for our size company and fit company policy

     

    Company Solution needed from D365 F&O

    To be able to send and receive emails from D365 F&O with multi domains (company).

    To be able to use SMTP auth for each company (domain) in a Multi D365 F&O environment