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Unable to send email from the APIs

Santosh Ulbetti 0 Reputation points
2025-07-28T02:53:57.78+00:00

Hello Team,

We are getting another issue where from Outlook we are able to send email to one of the internal user of the sandbox but when we send that email from API call we are getting Access Denied error, Please guide us to resolve this issue.

Generating server: DM8P221MB0554.NAMP221.PROD.OUTLOOK.COM

******@0y1l8.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 http://go.microsoft.com/fwlink/?LinkId=526653 AS(7230) [IA4P221MB1695.NAMP221.PROD.OUTLOOK.COM 2025-07-24T05:09:39.621Z 08DDC7E1266E9253]'

Microsoft Partner Center API

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  1. Santosh Ulbetti 0 Reputation points
    2025-08-04T07:17:41.4833333+00:00

    Hello Team,

    Can you please check this request and respond back.

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