Changing the Start Page
To change the Postbox start page,
- Go to Preferences > General on macOS or Tools > Options > General on Windows
- Change the Start Page setting to the desired page.
If you want a blank page to load, change it to about:blank.
To revert to the official Postbox Start Page, click on the Restore to Default button.
NOTE: This feature is only available in licensed versions of Postbox.