How to send iMessages from iPhone to iPad/Mac?

Someone gave me an @mac.com iMessage account to text them at. When i tried to send an iMessage, it sent as a text message and I'm not sure if he ever received it. My iMessage is always on and always works.

Why did it not send as an iMessage to the @mac.com address and/or how do I get it to work? Some people say iPads are weird with receiving messages sometimes, is that it?

On ipad just go into imessage settings and set it up with apple ID to receive msgs at, then you msg that email (still arrives as text msg on ipad).

You should make sure that your friend's device's iMessages is ON. Then sending and receiving messages.

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