Verify any email address with the most complex email checker

An email verifier, also known as an email checker, helps confirm whether an email address is real and capable of receiving messages.

Verifying email is a crucial step to take before reaching out to someone new, as it prevents your emails from bouncing back and helps safeguard your reputation as a sender.

  • 100 Free Credits Every Month

How we verify emails

Email validation with our service is an advanced process, designed to ensure the ultimate accuracy and deliverability for your email campaigns. We carefully perform over 21+ comprehensive checks on each email address, using the power of machine learning technologies.

This smart approach not only identifies common errors but also assesses the email's authenticity and its ability to reach the intended inbox. Our system continuously evolves, learning from each validation to enhance precision, making it an indispensable tool for professionals seeking reliability and effectiveness in their email communications.

Domain & DNS check

Confirms that email addresses point to valid, active domain name.

Mail Exchanger (MX) test

Detects email addresses that don’t have a valid mail exchanger.

DNS A record test

Some emails can be delivered even when mail exchanger (MX) is not defined.

Syntax Validation

Checks each email address against universal formatting standards.

Catch-all detection

Identifies mail exchangers that accept all emails to their domain, including fake, false or non-existing ones.

Role Account Detection

Highlights common role accounts, which are generic addresses often not belonging to real person.

Disposable Email Check

Identifies temporary addresses created by known disposable email providers (EmailOnDeck, YOPmail, ...).

Free Email Detection

ant to avoid free email providers from your mailings? We flag them for you so you can easily filter them out.

Suspected Bounce

We mark down the email address that bounced in our SMTP relay service before.

Unusual Name Detection

Identifies unusual user name (name before @ sign).

Duplicates removal

Identifies duplicate email addresses so that you don't pay twice to validate the same address.

Automated Email Scoring

Each validated email address receives a sending score.

... and 9 other tests.
Email Checker

Improve deliverability of your next campaign

  • Up to 25% of emails in your existing email list may be bad.

  • Guaranteed 99% delivery rate with your verified email list.

  • Protect your sender reputation and reduce your bounce rate.

  • Save money on email marketing.

  • Increase ROI of your email campaigns

Email Verifier FAQ


1. Why should I keep my email list clean?

When you email invalid, fake or spammy email addresses - email bounce rate skyrockets, click rates fall and future email deliverability suffers.

2. Can I verify a single email address only?

Yes, you can check a single email address with free email address verifier or within you application account.

3. How to verify my email list?

Export your email list into Excel compatible CSV or TXT file and simply upload in our email validation application. Validated emails are returned in the exact order as are in the original file.

4. How secure are my uploaded lists?

We secure data transmission through a 256-bit SSL protocol. Your data is encrypted and stored under the rules of our privacy policy and is only accessible by someone with login credentials.

5. Do I need to install anything?

No need for that! All you have to do is sign up and submit your list; we will handle the rest.

6. How fast will you process my lists?

It depends on how many email addresses you have. To give you an idea, SendBridge cleans 100,000 email addresses in 30 minutes.

Have any questions? Get in Touch