How to Block Spam Text Messages, Robotexts and Scams

Unsolicited Text Messages

More than just being annoying. Unwanted Spam text can cost you money.

Robotexts and spam messages are a fact of life, just like robocalls and junk email. But that doesn't mean you have to put up with them. Just as with spam phone calls, you can block and stop robotexts with the right tricks and tools. There's even phone numbers you can report spam messages to.

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Why Are You Getting Robotexts?

Before we get into the steps on how to block robotexts, it’s important to understand why you're receiving these messages in the first place. There are several common reasons:

• •Telemarketing and Marketing Campaigns: Businesses often send promotional messages to mobile users as part of advertising campaigns.
• •Data Breaches or Leaked Information: Your phone number might have been obtained through a data breach, sold on the black market, or shared with third-party marketers without your consent.
• •Scammers and Fraudsters: Scammers use robotexts to trick you into providing personal information, such as your bank account number or Social Security number. These scams can be sophisticated, mimicking legitimate businesses.
• •Random Number Dialing: Some robots are programmed to send messages to a large range of phone numbers, hoping to catch a few active numbers where they can send spam messages.
• •Subscription Sign-Ups: Sometimes, signing up for a service, contest, or offer online can result in your phone number being added to a spam database.

Understanding the source can help in dealing with the issue and finding effective ways to block and report the texts.

Never give away your Personal Information

Anyone that is with a legitimate company will never ask for with your login details, passwords, payment details or any other sensitive information. If you have any concerns, contact the Company directly.

Never reply to those Spam Messages

9 out of 10 times if you do, it will confirm to the spammers that your number is good and active. They might use it for future attacks or to try to get more information out of you.

Never click on Links

This could be malicious software that can automatically install spyware to your device. Do not clink on the link, even if it asking you to "Click to opt-out". If the message claims to be from a company you trust, but you have doubts, go to their Website yourself instead of using the link.

Spam Text Messages are Illegal

Yes, it is illegal to send unsolicited commercial email messages to wireless devices, including cell phones and pagers, unless "YOU" the sender gives permission first. It is also illegal to send unsolicited text messages from an auto-dialer. Programs that store and dials phone numbers using a random or sequential number generator.

How to Block Spam Messages

You can try the below steps to block their phone number - But - This might not always work as scammers might send you Texts from a spoofed number or use a different number with every spam.

On iPhone:

Go to the "Text Message"
Click on the "Sender ID"
Click on "Info"
Click on the "Sender ID"
Click on "Block This Caller"

On Android

Go to the Text Message
Click on the "Three-Dot" icon in the upper-right hand corner
Click on "Block Number"
(Note: these instructions may vary if you use a secure messaging app).

Gmail

When you block a sender, messages they send will go to your Spam folder
On your computer, go to Gmail
Open the message
In the top right, click More
Click "Block [sender]"
If you blocked someone by mistake, you can unblock them using the same steps.

With cPanel

There are two ways to block messages with cPanel
1) Login to cPanel
Click on the Global email filters icon
Click the blue "Create New Filter" button
Create a rule with the following conditions. (Please replace "exampledomain.com" with your desired domain. You can also just put part of a domain. In this example, you could put ".tld" to block messages from all domains that have .tld in them.)
From > Contains - exampledomain.tld > Discard Message
2) Login to cPanel
Click on Spam Filters
Click open "Show Additional Configurations"
Click on "Edit Spam Blacklist Setting"
Click on "Add A New “blacklist_from” Item"
Add complete email address

Third-Party Apps for Blocking Robotexts

If your phone’s built-in features aren’t enough, there are numerous third-party apps available to block robotexts and spam messages. Here are a few popular options:

• • Truecaller: Truecaller is a popular app that helps block spam calls and identify unknown numbers. With its advanced caller ID and spam detection features, Truecaller automatically filters out robocalls, frauds, and telemarketers, providing users with a safer, more efficient phone experience.
• • Hiya: Hiya Spam Blocker is an app that helps users identify and block spam calls and robocalls. With real-time protection, it automatically detects and filters out unwanted calls, providing a seamless, hassle-free phone experience. Hiya also offers caller ID and the ability to report spam numbers.
• • RoboKiller: RoboKiller is an app designed to block robocalls and spam messages. It uses advanced algorithms to identify and stop unwanted calls, offering features like customizable responses and call screening. With RoboKiller, you can protect your privacy and enjoy a cleaner, more peaceful phone experience.
• • Trap Call TrapCall is a call blocking and tracking service that helps you identify and block spam, robocalls, and unknown numbers. It offers features like reverse phone number lookup, call recording, and call blacklisting, providing users with enhanced control over their phone’s calls and privacy.
• • You Mail YouMail is a smart voicemail service that helps you manage calls and messages. It offers features like personalized voicemail greetings, call blocking, and spam filtering. YouMail automatically detects and blocks robocalls, ensuring a cleaner, more organized inbox and a better phone experience.
• • Textkiller TextKiller is an online service designed to help you block and report unwanted text messages, including spam and robotexts. With easy-to-use features, it helps users take control of their inboxes by automatically filtering out junk texts, ensuring a safer and more streamlined messaging experience.

These apps typically have free versions with basic features, and premium versions that offer more robust blocking and reporting tools

Contact The Company Directly

You can also contact the company directly and ask to be "Opt Out". But we suggest that you do not reply or call back to the number you received the text from. It may be coming from the Spammers pretending to be from the company you deal with. It is always better to find the number online or their official Website.

Check whether your Carrier can block the Caller. Although, they mostly focus on blocking unwanted calls rather than unwanted texts.

You can use third party apps. However, these mostly block spam calls rather than text messages. If you do decide to use such apps, beware that some of them might gather your data without your permission or even sell it to other companies. Read their privacy policies carefully.

Other Steps To Take

Here are some other steps to can do to help stop these spam messages

• 1) Delete text messages that ask you to confirm or provide personal information: Legitimate companies don’t ask for information like your account numbers or passwords by email or text
• 2) Don’t reply, and don’t click on links provided in the message: Links can install Malware on your Computer and take you to spoof sites that look real but whose purpose is to steal your information
• 3) Treat your personal information like cash: Your Social Security number, credit card numbers, and bank and utility account numbers can be used to steal your money or open new accounts in your name. Don’t give them out in response to a text
• 4) Place your cell phone number on the National Do Not Call Registry
  
• 5) If you are an AT&T, T-Mobile, Verizon, Sprint or Bell subscriber, you can report spam texts to your carrier by copying the original message and forwarding it to the number 7726 (SPAM), free of charge
• 6) Review your cell phone bill for unauthorized charges, and report them to your carrier
• 7) Reporting such messages might also prevent further spam from being sent to your phone and might help other people avoid spam.

File a Complaint

If you receive unwanted text messages. File a Complaint with the FTC.

The Federal Communications Commission (FCC) also accepts complaints about Unwanted Text Messages.

Filing an online complaint on the FTC’s page or on a similar regulatory body in your country. Reporting these messages and senders to your carrier. Copy or select the original message and text it to 7726. You can do so if you are an AT&T, Verizon Wireless, T-Mobile, Cricket Wireless, or Sprint customer. They will use this information to try and block future spam messages.

Regional Carriers

Best Practices

Effective spam text protection combines careful message handling, privacy controls, account security, and accurate reporting. Use these practices to reduce unwanted texts without accidentally blocking legitimate security alerts, appointment reminders, or account notifications.

• • Preserve evidence before deleting a suspicious text. Take a screenshot showing the sender, message, link, and time received, especially if the text involves impersonation, threats, financial loss, or unauthorized account activity. Do not open the link while documenting the message.
• • Use “STOP” only with a business or service you recognize and previously authorized to send messages. Replying to an unknown or suspicious sender may confirm that your number is active. Unexpected delivery notices, account warnings, and payment requests should be treated as possible phishing attempts.
• • Enable your phone’s unknown-sender filtering and spam-detection features, but review the filtered folder periodically. Legitimate verification codes, medical reminders, delivery updates, and messages from new contacts may also be filtered. Additional mobile security apps can provide more filtering options when built-in controls are insufficient.
• • Protect your mobile-carrier account with a unique password and an account PIN or port-out lock when available. These controls can make unauthorized number transfers more difficult. Strengthen email, banking, and other sensitive accounts with two-factor authentication that does not rely solely on text messages when another secure method is offered.
• • Verify urgent messages independently. If a text claims to come from a bank, delivery company, government agency, or familiar business, open the organization’s official app or type its known address into your browser. Never use the phone number, login page, or payment instructions supplied in an unexpected message.
• • Reduce unnecessary exposure of your phone number. Avoid publishing it on public profiles, use privacy settings on social platforms, and review whether apps genuinely need access to your contacts or phone information. Broader online privacy practices can help limit the personal details scammers use to create convincing messages.
• • Treat sudden changes in your phone or accounts as warning signs. Loss of cellular service, unfamiliar applications, unexpected password resets, or financial alerts may indicate more than ordinary spam. Follow established mobile device security practices and check for additional signs of a compromised smartphone.

Summary

Robotexts and unwanted text messages can be annoying and, at times, even dangerous. By taking the proper steps, you can effectively block and report these spam messages, reducing your exposure to scams and regaining control of your phone’s inbox.

Start by utilizing the built-in features on your phone to filter out unwanted messages, and consider downloading third-party apps for additional protection. Don’t forget to report spam and robotexts to help authorities take action against scammers and telemarketers.

By following these steps, you can keep your phone free from unwanted interruptions, allowing you to enjoy your device without the constant flood of unsolicited messages. Stay safe, and don’t hesitate to take action when you spot a suspicious message

Frequently Asked Questions

What is the difference between spam texts, robotexts, and smishing?

Spam texts are unwanted messages, often advertising products or services. Robotexts are messages sent automatically to many phone numbers. Smishing is a form of phishing delivered through text messages to steal information, money, or account access. A robotext may be legitimate, unwanted, or fraudulent, so its content and sender should be evaluated carefully. Learn more about recognizing phishing attempts.

Why do spam texts continue after I block the sender?

Blocking one sender prevents messages from that displayed number, but many spam campaigns rotate numbers, spoof caller information, or use different messaging accounts. This makes individual blocking only one part of the solution. Continue reporting suspicious messages, enable your phone’s spam filter, and ask your carrier whether it offers network-level filtering for unwanted or fraudulent texts.

Can simply opening a spam text infect my phone?

Reading an ordinary text message usually does not install malware by itself. The greater risk comes from opening a malicious link, downloading an attachment, installing an untrusted application, or entering information on a fraudulent page. Keep the operating system and messaging apps updated, and follow broader mobile device security practices to reduce exposure to known vulnerabilities.

What should I do if I clicked a suspicious text link but entered no information?

Close the page without downloading anything, clear the browser tab, and check whether any unfamiliar app, file, profile, or permission was added. Update the phone and run a trusted security scan if available. Monitor important accounts for unusual activity. If the device behaves unexpectedly afterward, review the common signs of a hacked smartphone.

What should I do if I entered a password or card number on a fake website?

Act immediately. Change the exposed password from a trusted device, replace it anywhere else it was reused, and enable two-factor authentication. If payment information was submitted, contact the card issuer through its official number, review recent activity, and follow its instructions. Use strong, unique passwords for affected accounts.

How can I tell whether a text from a short code is legitimate?

A short code alone does not prove that a message is trustworthy. Consider whether you requested the message, recognize the organization, and expected the action described. Never share a verification code with someone who contacts you. If uncertain, open the organization’s official app or website independently and confirm the alert there instead of using the message’s link or callback number.

How do scammers know my name, location, or recent purchases?

Personalized scam texts may use information from data breaches, public profiles, marketing databases, online forms, previous scams, or details shared by data brokers. Familiar information does not prove the sender is genuine. Limit what you publish publicly, review app permissions, and use practical online privacy and security controls to reduce unnecessary exposure.

Are paid spam-blocking apps worth the cost?

A paid spam-blocking app may be useful when built-in phone and carrier controls do not filter enough unwanted messages. Compare its text-filtering capabilities, privacy policy, data collection, subscription price, cancellation terms, and compatibility before purchasing. Some apps emphasize calls more than texts. Review available mobile security applications and test free features before paying for a subscription.

Why are legitimate verification codes being sent to my spam folder?

Unknown-sender filters and carrier detection systems can occasionally classify legitimate automated messages as spam. Check the filtered-message folder, confirm that the sender is not blocked, and verify that the account has your correct phone number. Do not weaken every security setting permanently. If codes still fail, use the service’s official recovery process or choose an authenticator app or passkey when supported.

Will the National Do Not Call Registry stop every unwanted text?

The registry can reduce certain lawful telemarketing contacts, but it cannot prevent scammers, illegal senders, spoofed numbers, or every organization with an existing relationship or applicable permission. Continue using device filters, carrier reporting, and official complaint channels. Registration should be treated as one protective measure rather than a complete solution for blocking all spam texts and robotext scams.

Should I change my phone number because of persistent spam texts?

Changing a phone number is usually a last resort because the replacement number may eventually receive spam too, and updating every account can be inconvenient. First try carrier filtering, unknown-sender controls, privacy reviews, and consistent reporting. Consider a change when harassment is targeted, threats continue, or the number is tied to serious account compromise. Secure accounts and mobile financial activity before switching.

Author Bio: Tadeusz Kehan

One of the best creative blog writers and social media. He has...

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Comments (1)

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Topic: Blog Blocking Spam Text Messages

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Thomas Jones

Posts: 7

Likes: 9

Since: Aug 2025

First Poster

Thomas Jonessays...

Yes spam texts are the worst! That tip about not replying to them makes so much sense. Any other quick ways to stop these annoying messages?

Admin:

Thanks for the comment! You're right, spam texts are a pain. Besides not replying, try enabling your phone’s spam filter (Settings > Messages > Filter Unknown Senders on iPhone) or forwarding spam to 7726 to report it to your carrier. Third-party apps like Truecaller can also help block robotexts

16 August 2025 14:35

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