iOS 27 gives iPhone users several layers for reducing spam text messages, including automatic spam detection, unknown sender screening, manual reporting, and contact blocking. No single control catches every unwanted message, so the best setup combines the filters while leaving a clear way to recover a legitimate conversation.
Apple’s Messages guide says spam filtering is on by default. To check it, open Messages, tap the Filter button, choose Manage Filtering, and make sure Filter Spam is enabled. Messages detected as spam move to a separate folder without generating a normal notification.
Filtering differs from blocking. A filter sorts or suppresses a message based on its classification, while blocking prevents future messages from a specific number or contact. If unwanted calls are part of the problem too, our guide to unknown caller controls explains the separate Phone settings.
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Use filtering, reporting and blocking together
To review messages that iOS classified, open Messages, tap Filter, and select Spam. If a real conversation appears there, open it, tap Not Spam, and move it back to Messages. Apple prevents replies and links from working inside the Spam folder until the message is restored, which reduces the chance of an accidental response.
For an unwanted iMessage, use Report Junk when it appears. Apple says this sends the message and sender information to Apple and deletes the message from the iPhone, but reporting alone does not prevent the sender from contacting you again. Open the conversation details and choose Block Contact when you also want to stop delivery from that address or number.
Unknown sender screening can keep first-time messages away from the main list, but it may also catch appointment reminders, delivery updates, school notices, or a person contacting you from a new number. Review the filtered folders periodically, especially when you are waiting for a time-sensitive message.
Do not reply to suspicious messages, open unexpected attachments, or follow links asking for passwords, payment, or verification codes. A message claiming to be Apple should never be treated as genuine solely because it uses an Apple logo or familiar sender name. When in doubt, open the relevant company app or website independently instead of using the message link.
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