Messages Contacts in Red on iPad or Mac FIX
When you try and send a message to someone from Messages with your iPad or Mac your message is not send and results in “Your message could not be sent”
iMessage sending text from eMail instead of phone number FIX
Every time you send an iMessage from your iPhone, iPad, iPod Touch or Mac to someone they receive it from the email address you used to register your iCloud account instead of your phone number. This blog post shows you how to fix it.