Cut Through Catch-All Domains

Standard validation marks catch-all domains as "unknown" and moves on. Enhanced Validation goes deeper — cross-referencing multiple data sources to give you a real answer. Up to 2x more accurate than competitors.

neurology Beyond SMTP checks.: We layer pattern analysis and behavioral signals on top of standard verification. Catch the emails that look valid but will actually bounce.
hub Multi-source verification.: We check addresses against multiple trusted data sources. If an email is dead, we'll find out — even when the domain accepts everything.
verified For lists where accuracy matters.: High-value leads, critical campaigns, or tight bounce rate limits — when you can't afford to guess, Enhanced Validation gives you confidence.

Verify Email

Result

john.smith@company.com

Verification Details

Valid email format

MX records found

SMTP verified

Mailbox exists

Not a disposable address

Accept-all domain

Enhanced check passed

Use cases

When to use Enhanced Validation

Enhanced validation is designed for scenarios where accuracy is more important than speed. Choose this strategy when the cost of sending to invalid emails outweighs the additional processing time.

diamond High-value lead lists: When each lead represents significant revenue potential, you can't afford to waste outreach on invalid addresses. Enhanced Validation ensures your sales team focuses on real prospects.
campaign Critical email campaigns: For important product launches, investor communications, or time-sensitive announcements where deliverability is paramount, Enhanced Validation minimizes bounce risk.
shield Sender reputation protection: If you're rebuilding sender reputation or have strict bounce rate requirements, Enhanced Validation provides the extra confidence you need to protect your domain.
speed Quality over speed: When you have time to process lists thoroughly and want the absolute best results, Enhanced Validation delivers maximum accuracy without compromise.

Choose your strategy

Validation strategies compared

Truelist offers three validation strategies. Choose the one that best fits your use case.

Strategy	Speed	Accuracy	Best for
Fast	Fastest	Good	Real-time validation, large volumes
Accurate	Moderate	High	General-purpose (default)
Enhanced Recommended	Thorough	Highest	High-value lists, critical accuracy

How it works

What makes Enhanced Validation different

Enhanced Validation builds on our Accurate strategy with additional layers of verification.

check_circle

Standard checks

Syntax validation, domain verification, MX record checks, and SMTP verification form the foundation of every validation.

auto_fix_high

Advanced heuristics

Sophisticated pattern analysis and behavioral signals help identify emails that may appear valid but are likely inactive or problematic.

database

Data cross-referencing

Third-party data sources provide additional validation signals, catching invalid emails that technical checks alone might miss.

Explore more features

Discover other powerful capabilities Truelist offers.

verified

Email List Verification Quickly validate email lists before sending

webhook

Developer API Full featured, robust API

monitoring

Advanced Reporting Industry-leading analytics and insights

extension

Chrome Extension Verify emails on any webpage

sync

Recurring Validation Keep your lists clean automatically

Ready to put Truelist
to the test?

Find out if Truelist is right for you in under 10 minutes.

Free plan available. No credit card required.

FAQ

Frequently asked questions

Can't find the answer you're looking for? Reach out to our customer support team.

What is Truelist?: Truelist is a cutting-edge email validation service designed to improve the accuracy and deliverability of your email campaigns by verifying email addresses in real-time and cleaning email lists.
How does Truelist validate email addresses?: Our service uses advanced algorithms and real-time checking to validate email addresses. This includes checking for format correctness, domain validity, and whether the email address is active and accepting mails.
What are the benefits of using Truelist for email validation?: By using Truelist, you can reduce bounce rates, avoid spam traps, improve your sender reputation, and ultimately increase the effectiveness of your email marketing efforts.
Is it really unlimited?: Yes, Truelist offers unlimited free email validation in our platform.
Is Truelist compliant with data privacy regulations like GDPR?: Yes, we prioritize data security and compliance with global privacy laws, including GDPR. Truelist is SOC 2 Type II certified, meaning our security controls are independently audited and verified. We ensure that all data is handled securely and with the utmost respect for privacy. Learn more about our security practices.
Does Truelist have an API?: Yes, we have a powerful API that allows you to integrate Truelist into your own applications and services. You can find our API documentation here.