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# Handle unknown transactions postbacks

With the Connector Setting **Handle unknown transactions postbacks** you can automatically define a strategy how the IXOPAY platform should react to unknown transaction postbacks. The setting is configured per Connector, but can also be configured as a Global Settings.

To configure the connector setting follow this steps:

1. Go to the **Connector Detail Overview** of the desired Connector
2. Click Edit on the **Settings** section (see Connector Detail Overview)
3. Select the Connector Setting **Handle unknown transactions postbacks** and click Add (see Connector Settings)
4. Select **Strategy to choose** from the dropdown:
   * *Disabled*
   * *Redirect with status code 307* (response with same HTTP method as incoming request stating that the URL does not exist and PSP should send the request to the provided URL, Target URL is mandatory),
   * *Redirect with status code 308* (response with same HTTP method as incoming request stating that the URL does not exist and PSP should send the request to the provided URL, Target URL is mandatory)
   * *Acknowledgement* (status code 200 and adapter-specific response body)
   * *Forward the request* (forwards the incoming request to the provided URL, Target URL is mandatory)
5. Insert the **Target URL** (see Connector Parameter Settings)

![Connector Detail Overview](https://documentation.ixopay.com/manual/assets/ideal-img/connector-detail-overview-unknown-tx.7a85116.1280.png)Connector Detail Overview![Connector Settings](https://documentation.ixopay.com/manual/assets/ideal-img/connector-settings-unknown-tx.bb0324d.1118.png)Connector Settings![Add strategy](https://documentation.ixopay.com/manual/assets/ideal-img/add-strategy.0d7eab3.1072.png)Add strategy![Connector Parameter Settings](https://documentation.ixopay.com/manual/assets/ideal-img/connector-parameter-settings.c652799.1158.png)Connector Parameter Settings

> **Tip**
>
> For the strategy **Acknowledgement** no further processing/steps in regards to the postback is/are done in the IXOPAY platform. Strategy **Redirect** and **Forward the request** must be supported by the PSP.