DOTS Email Validation

Bounce Less. Deliver More.

Maximize your email deliverability and open rates with fast and secure email verification.

The most comprehensive
Email Validation service available

Our Email Validation and Verification service seamlessly integrates with web forms and business applications, performing over 50 integrity checks and filters, providing deeper insights into risk and deliverability than any other provider in the industry.


Customer Support


Uptime Guarantee



Support Engineers

Features and Benefits of Email Validation

Email Verification Improves Deliverability

Email Verification Improves Deliverability & Reduces Bounces

Email Validation service performs over 50 checks and verifications and returns a simple pass/fail score that enables you to send emails with confidence, improving deliverability and reducing your bounce rate by up to 90%.

Protect Your Sender Reputation

With warning flags like bogus, vulgar, disposable, role, misspelling, screamer, honeypot, spam trap and known complainer, you can identify and automatically remove problematic emails that can damage your sender reputation.

We are the only email validation service to provide up-to-date reputation data for email service providers, ensuring the integrity of your emails.

Seamless Integration with Web Forms

Capture accurate and up-to-date email addresses on your web forms to ensure critical information and marketing communications reach your customers and prospects.

Secure and Compliant

We do not store, share or sell your data. Period.

When comparing email checker services – know what is happening with YOUR data. Most email validation services will store your email data for their future use.

Email checker - Secure and compliant

How Email Validation Works

Validates and Corrects Input Email Addresses

Validates email address and provides corrections for common spelling and formatting errors, returning a cleaned and formatted address.

Returns Quantitative Quality Score

Provides estimates on the validity of input email address, including values for Good, Probably Good, Unknown, Probably Bad and Bad.

Provides Flags to Identify Problematic Emails

Returns warning flags for bogus, vulgar, disposable, role, misspelling, screamer, honeypot, spam trap, known complainer addresses and more.

Tests for Email Address Deliverability

Checks for deliverability, returning codes for refused connections, non-existent top-level domain, DNS/MX/SMS errors and more.

Download our Email Validation one-page datasheet PDF Logo

For Developers by Developers

For a deeper dive into all of our APIs, visit our developer guides.
If you’re ready to put it to the test, sign up for a free API trial key and get 500 free transactions.
Our Trusted Partners

Related Products

Address Validation - International
Validates global addresses to 99.5% match accuracy for over 250 countries.
International Coverage
Address Geocode - International
Returns highly accurate roof-top level geo-coordinates for almost any address in the world.
Lead Validation - International
Performs multi-point verification and correction of your leads and assigns an overall quality score.

Cookies Policy

We use cookies to enhance your browsing experience.

Cookies, tracking pixels, and similar tech are small data files served by our platform and stored on your device. They help with site operation, personalization, and may track your usage for targeted ads on other sites.

By using our site, you agree to our cookie use.

Third-party services may also deploy cookies, including Google, Facebook, and others. These services collect anonymous data like IP addresses and device IDs for analytics and site functionality.

Thanks, I understand.