Error Whille setting up SMTP Email V3 connection

Disha Bodade 80 Reputation points
2024-04-05T11:33:16.4333333+00:00

Hi Team,

I am configuring SMTP connection and getting below error

Failed to create connection: { "error": { "code": 502, "source": "logic-apis-easteurope.azure-apim.net", "clientRequestId": "", "message": "BadGateway", "innerError": { "status": 502, "message": "SMTP server 'authnz.proofpoint.com' error: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond or forcibly closed the connection.\r\nclientRequestId: 073a0470-", "errors": [] } } }

this connection is already added that one also shows same error while running playbook.

Microsoft Security | Microsoft Sentinel
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  1. Marilee Turscak-MSFT 37,206 Reputation points Microsoft Employee Moderator
    2024-04-08T23:09:46.5366667+00:00

    @Disha Bodade

    I'm not sure which guide you are following to set this up but based on the error sounds like the issue could be related to firewall settings, wifi security settings (try using a different wifi), a missing port setting (port 587), or you might be using an unsupported encryption protocol.

    The message means that the mail server is not responding in an appropriate manner. It could be because of a network issue between your web server and the SMTP server, you could be using the wrong settings, wrong ssl setting, port, credentials, or wifi. You should confirm that you are matching the correct settings for the SMTP server you are trying to connect to.

    See the related troubleshooting:

    https://stackoverflow.com/questions/7102687/smtpclient-a-connection-attempt-failed-because-the-connected-party-did-not-prop

    If the information helped you, please Accept the answer. This will help us as well as others in the community who may be researching similar questions. Otherwise please let us know if you have further questions and provide more details about your configuration.

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