how do you send iMessage to iPad from iphone, I cannot type "@" in message

hi there..just want to share my solution to the problem. yes you need to enable mms messaging at the message setting to have '@' and '.' so you can add email to imessage.in order to have the mms messaging enable, your iPhone must have the mms setting configured in the general>network>celular data network>mms.

either you contact your carrier service provider or configure the mms setting manually.then voilla..you gonna see the mms messaging enabled in the message setting.hope this will help.thank you.