How to add email address in imessage

- How to add email in imessage
- How to add email address to imessage on iphone
- How to add email address to imessage on ipad
- How to add email address to imessages
- How to change imessage from email to phone number
- How to send message with imessage
- How to send an imessage instead of a text message
- How to send imessage instead of text