Filter Unknown Senders on iPhone: Stop Spam Effectively

This post outlines how to block spam text messages on an iPhone by filtering unknown senders. By enabling the “Screen Unknown Senders” feature in the Messages app, users can prevent spam texts from cluttering their inbox. The method allows easy access to messages from unknown numbers without notifications.

RAYMOND OGLESBY @RaymondOglesby2
May 19, 2026 – 5 minutes read time

We are all familiar with spam text messages and calls. But how do you block spam text messages on the iPhone? Here’s how to filter unknown senders on iPhone so you don’t have to block every number. We will also reveal how to find those random text messages after Apple’s Filter Unknown Senders blocks them.

Can you stop spam texts on iPhone? this feature lets the Messages app automatically stop texts from numbers not in your contacts from cluttering up your inbox. This is an easy way to stop spam texts from bothering you without having to block texts on iPhone (which has to be done number by number, an ineffective method for spammers, since spam texts come from a wide variety of different numbers).

Let’s go over how to silence unknown texts on the iPhone, and where you can find these messages. Keep in mind this will not block spam texts on iPhone; it will simply allow you to ignore them more easily and get to them when you have time. Now, here’s how to stop unwanted texts on the iPhone.

Note! With this feature enabled, you will not receive notifications when receiving texts from unknown numbers. You will only see the messages by opening the Unknown Senders folder in the Messages app.

  • Stop spam texts from bothering you by sending them to a separate Messages app inbox.
  • While text messages from unknown senders on iPhone will be out of sight, you can still check them easily, just in case the message was important.

This post was performed on an iPhone 17 Pro running iOS 26.

Click here to learn how to update your iPhone to the latest iOS version.

First, open the Messages app. Refer to the image below:

Unwanted Texts 1
Selecting the Messages app

Next, tap the Filter icon. See the image below:

Unwanted Texts 2
Selecting the Filter icon

Now, tap the Manage Filtering option. See the following image:

Unwanted Texts 3
Selecting the Manage Filtering option

Next, this will open the Settings app. Ensure the toggle next to Screen Unknown Senders is enabled. You should also enable Filter Spam to help mitigate spam. Refer to the image below:

Unwanted Texts 4
Enabling Screen Unknown Senders and Filter Spam toggles

Now, if you want to see texts from unknown numbers, go back to the Messages app and tap the Filter icon again. See the image below:

Unwanted Texts 2
Selecting the Filter icon

Next, tap the Unknown Senders option. See the following imag:

Unwanted Texts 6
Selecting the Unknown Senders option

Now, this is where you will find all of your texts from unknown numbers. You can also tap Spam to view your spam messages. To get back to your messages, tap the Filter icon once more. Refer to the image below:

Unwanted texts 7
Selecting the Filter icon

Next, tap the Messages option. See the image below:

Unwanted Texts 8
Selecting the Messages option

That’s how to stop spam texts on the iPhone! Now you can choose to open up your Messages app and only see messages from people you know. Plus, you can still review Unknown Senders and Spam when you feel like it. If your iPhone is on iOS 18 or an earlier version, the Screen Unknown Senders setting will be called Filter Unknown Senders, but the feature works mostly the same way. On earlier versions of iOS, you will see a Filters button in the Messages app where you can find Unknown Senders and Recently Deleted messages.

Technology is constantly evolving, and smartphone and desktop tech rarely remains static. Therefore, the information in this post is only accurate as of the date it was written. Blog posts that are older than six months may contain instructions that are no longer compatible with your device or operating system. We hope that the content from previous posts continues to function as intended. Thank you for reading TechSavvy.Life, where technology works for you.

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– Max Frisch

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