The iPhone allows you to attach a single picture to an email. In addition to pictures that you take with your phone's camera, you can also send images that you have synced with iTunes or saved from your iPhone's Safari browser. When you attach a picture, the Mail application allows you to optimize your picture's file size before sending it.
Tap "Photos" on the Home screen and tap "Camera Roll" under "Albums."
Tap the photo that you want to attach to an email and tap the "Options" icon on the bottom left corner of the screen. Select "Email Photo" and enter the recipient's email address next to "To." Type any additional information in your email's body, if necessary.
Tap "Send" and choose the file quality that you want to use for the picture.
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