Real-Time Email Verification Service

Get better results from your email campaigns and protect your platform from bots. Know what’s real and what’s not with Mailgun’s email verification API.

Start Verifying Now
  • Github
  • Lyft
  • Shopify
  • WP Engine
  • Reddit

Real email addresses, real customers

Improve your data quality and send emails that convert. With email verification, you can stop wasting money on low quality addresses.

Defense against DDoS attacks & bot signups

Secure your website forms with Mailgun’s email validation API – the fastest in the industry. It’s a simple security measure with a massive impact.

Clean Your Email List with a 3-Point Check

Verify your entire email list at once and reduce email bounce rates. Easily identify valid emails, role-based addresses, typos and more. Our validation tool goes beyond simple grammar rules – we check directly with the mailbox for verification for accuracy you can rely on.

  • mailbox/MX verification
  • role-based address verification
  • disposable address verification
  • RFC grammar rule check
  • suggestions on suspected typos

Protect Your Platform from Abuse

Bot attacks can turn into full-blown DDoS if detected too late. Identify invalid email addresses before they cause problems with email verification on your web and signup forms.

Real-time verification ensures your real signups still have a positive user experience. Plus, you’ll collect high quality email addresses upfront for higher conversion rates down funnel.

Build Your CRM with Reliable, High Quality Data

Find a better way to manage your CRM data, starting with real email addresses that won’t bounce. You can easily integrate Mailgun’s email validation API into your Salesforce CRM or any other CRM system to collect valid email addresses for your contacts. Learn more >

Email Form Validations
Protect Your List From Typos

“Did you mean”

People make typos all the time. can easily become and when it does, you can miss out on connecting with that customer.

That’s why we built in a suggestion service into our email validation service. When we have a suggestion for a common typos, we’ll return it along with invalid status, so you can offer the suggestion to your user.

Avoid Risky Email Addresses

Spam complaints and bounce rates can have devastating effects on your ability to reach the inbox. Pinpoint high-risk disposable mailboxes and shared emails like “support@" or “info@" to keep your bounce rate and spam complaints low.

sign up

It's easy to get started. And it's free.

See what you can accomplish with the world's best email delivery platform.

Sign Up For Free