Open mail app. Create a new email. Select the body. Tap the three dots. Select insert, followed by image. Insert the image and then long press the image. It will give you options for rezing between small, best fit and original size
I've made a video below to help out. It's not the best but I hope you get the idea
https://youtu.be/MDFbAVqERMU
I've made a video below to help out. It's not the best but I hope you get the idea
https://youtu.be/MDFbAVqERMU