Here are the steps on sending files via CamScanner:
1: After you take a
picture of your image, select the image and then use the "Share" button in the middle,
2: Then chose "Share PDF" then share one more time at the top right corner.
3: This will now give you options like
use Outlook, click on Outlook and it will open up a new email with your
picture as a PDF attachment.
Here are steps below with pictures: