If you want to send more than one photo, Sam always asks that you send them as attachments to a single email.
This can be tricky on apple products.
Here’s how to do it:
Go to your Camera
Then to the camera roll so that you see more than one photo at once…
Without selecting anything, click on the little BOX WITH ARROW icon at the bottom in the center.
Now you can click on several photos and then hit send… and mail it tom