Edit user settings
Open the Settings page, click Users & Roles, and click edit next to your user name.
Open the Developer menu
Check the Developer box, then open the Developer menu at the top of the screen.
Add Mailing List
Add this shortcode to any text field to create a new Mailing List.
Begin editing this Mailing List Plugin right in the SpaceCraft site:
Go to the live SpaceCraft web page and select the settings gear in the top right corner of the Mailing List Plugin.