# Configure Mailgun [Mailgun](https://www.mailgun.com/) is required in order to send email notifications from Taskforce.sh to your users. Most likely the free account will be enough for your needs. However Mailgun requires a valid credit card in order to create the account to avoid spammers to exploit their service. You will need to pick the **Private API key** and use it in the Taskforce.sh configuration tool**.** --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.taskforce.sh/on-premises/aws/configure-your-instance/configure-mailgun.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.