> For the complete documentation index, see [llms.txt](https://docs.openbuild.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.openbuild.io/working-with-the-framework/transactional-email/setup-postmark.md).

# Setup Postmark

{% hint style="warning" %}
Remember to confirm at least one Sender Signature inside the Postmark console. Only that email will work for sending emails. Or verify your entire domain.
{% endhint %}

Once you signup for the Postmark service pick the server you are going to use:

<figure><img src="/files/J2UNjg7058ltlGgH3XAt" alt=""><figcaption><p>By default it's going to be 'My first server'</p></figcaption></figure>

Once in the right Server space go to API tokens and copy the Server API token and past it into the API call:

<figure><img src="/files/Ojwcsm2xVkXOg9OT9JXr" alt=""><figcaption><p>The API Key</p></figcaption></figure>

<figure><img src="/files/5MYzLLLd9cXZLDL2FEaC" alt=""><figcaption><p>Paste inside the API connector in your Bubble editor</p></figcaption></figure>