Find out how to stop fake email sign-ups on your website.
Keep your business safe from spam and scams by using the right tools and following best practices.
Businesses can have big problems with fake email sign-ups. They can squander resources, mess up analytics, and even put security at risk. This guide covers ways to stop phony email sign-ups and keep your email list clean.
Why signing up for fake emails is a problem
- Data that isn’t right: Too many subscribers can make marketing plans go wrong.
- Higher Costs: Email service providers may charge based on how many people sign up.
- Problems with deliverability: Sending emails to invalid addresses can hurt your reputation as a sender.
- Risks to Security: People might use fake accounts to commit fraud or send spam.
Where Fake Sign-Ups Come From
- Bots and automated scripts: Programs that make it easy to make a lot of accounts quickly.
- Disposable Email Addresses: Temporary emails that bypass gated material.
- Mistakes in typing: Users mistakenly typing in the wrong email addresses.
Ways to Stop Fake Sign-Ups

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Add Email Verification to the Sign-Up Process
Check the legitimacy of email addresses as they are submitted by using real-time email verification.
- Syntax Validation: Make sure the email is formatted correctly.
- Domain Verification: Make sure the domain is real and can get emails.
- Check the MX Record: Ensure the domain’s mail exchange records are correct.
Test with CAPTCHA
Use CAPTCHA tests to tell the difference between people and bots.
- reCAPTCHA: A Google tool with customizable difficulty.
- hCaptcha: Another option that puts privacy first.
Double Opt-In Process
Users must click on a link supplied to them to validate their email address.
- Benefits: Ensures the email is real and active.
- Increases subscriber engagement.
Limit the number of times people can sign up
- Rate Limiting: Set limits on how many times someone can try to sign up.
- IP Blocking: Block IPs that are acting strangely or suspicious.
Keep an eye on and block disposable email domains
- Automated Detection: Use services that track throwaway domains.
- Custom Blacklists: Add domains that you know are causing problems.
Tools to Help Prevent
- Bot Management Solutions
- Cloudflare Bot Management: Keeps bad bots out.
- Akamai Bot Manager: Advanced bot detection features.
How to Keep Your Email List Clean
- Keep blacklists up to date: Track the latest disposable email services.
- Monitor sign-up patterns: Watch for unusual spikes.
- Teach Users: Emphasize the importance of using real email addresses.
In Conclusion
To keep your email list healthy and your data accurate, you need to stop bogus sign-ups.
Using the tools and tactics above will help you block spam, reduce costs, and ensure your emails reach the right people.