curl --request PUT \
  --url https://apimgmt.cometchat.io/apps/{appId}/extensions/email-replies/v1/settings \
  --header 'Content-Type: application/json' \
  --header 'key: <key>' \
  --header 'secret: <secret>' \
  --data '
{
  "settings": {
    "sendEmailReplies": false,
    "senderEmailForReplies": "[email protected]"
  }
}
'

{
  "data": {
    "statusCode": 200,
    "success": true,
    "responseTime": 1.8547508716583252,
    "body": {
      "data": {
        "settings": {
          "senderEmailForReplies": "[email protected]",
          "sendEmailReplies": true
        }
      }
    }
  }
}