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Power Platform Community / Forums / Power Automate / SMTP connector error c...
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SMTP connector error code 502 and 504

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I am using Power APPs to trigger Power Automate to send notification emails to users. I chose SMTP connector because I don't want to use user's email to send notifications,  we need to send about 50 emails per day, but 20% of them are failed with the error codes 502 and 504 BadGateway.  Can someone help me? Thanks all!
 
 
{
  "error": {
    "code"504,
    "source""asia-001.azure-apim.net",
    "clientRequestId""141712dd-5a30-48dc-aac3-4cc89bee6103",
    "message""BadGateway",
    "innerError": {
      "status"504,
      "message""The SMTP server "smtp.office365.com" has timed out. Please try another port for explicit SSL (TLS)。\r\nclientRequestId: 141712dd-5a30-48dc-aac3-4cc89bee6103",
      "errors": []
    }
  }
}
 
 
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