Thursday, 3 December 2020

The SMTP server requires a secure connection or the client was not authenticated. The server response was: Authentication required in Dynamics 365 Finance / Dynamics AX

 I was getting the below error while try to send a test email through email parameters after updating SMTP details.


The SMTP server requires a secure connection or the client was not authenticated. The server response was: Authentication required


Solution

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-> After updating the SMTP detail refresh the application page and try again

-> If the above steps does not work, login with send as email address (ex: noreply@abc.com) and update the SMTP details and send a test email.

2 comments:

  1. Ensure that SMTP settings in Dynamics fluentbit Finance/Dynamics AX are correctly configured with valid credentials, enabling SSL and authentication for secure email delivery.






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