Scroll down, then tap Block this Caller.
Or choose from the suggested contacts, links, photos and more. Block, filter, and report messages on iPhone In the Messages appyou can block unwanted messages, filter messages from unknown senders, and report spam or junk messages.
In the Messages app on your Mac, select a conversation. Block messages in Messages on Mac If you use iMessage to send text messages, you can stop receiving text messages from certain people.
Block messages from a specific person or In a Messages conversation, tap the name or at the top of the conversation, then tap at the top right. You can report these messages to Apple. Turn on Filter Unknown Senders.