This happens if someone else has a hold of your Apple ID or you ... If there are any contacts associated with iMessages that you don't want to appear in your Messages app, you can disable it.

Similarly, if you can't send texts to someone who ... Apple's iMessage is probably at fault—especially if you recently switched from iPhone to Android, or something else. This problem most ...

Another thing you can do is report spam and junk iMessages. When you get an iMessage from someone you don’t know, there will be a Report junk link. Select the link to forward the sender’s ...