Problems when sending with Gravity SMTP with Microsoft 365 integration

CyberBengt
Tue, 18 Feb 2025 14:55:40 +0000
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The connection with MS365 is enabled but I get this error message, when sending test mail:

{“error”:{“code”:“ErrorSendAsDenied”,“message”:“The user account which was used to submit this request does not have the right to send mail on behalf of the specified sending account., Cannot submit message.”}}

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