If I try to start a new iMessage to an Apple ID aka an email address, it sends the message as an MMS and it goes to the recipients email, not as an iMessage. I found this out by trying to iMessage my mom on her iPad and it doesn't work. If she sends me an iMessage first, I get it and can reply with an iMessage. I can't initiate the conversation though. I am 100% certain I'm using the correct Apple ID. I've also tried sending an iMessage to other Apple ID's (emails) and get the same result. Very weird. This was never an issue before iOS 7. Anyone else having this issue? I included a photo for reference.