10 Best Email Verification Tools For 2023

10 Best Email Verification Tools For 2023

Published By Alexandra Marinaki
September 15, 2023

Regular email list cleaning is an essential part of this process. However, removing email addresses manually is unrealistic due to technical and time constraints; that’s why you should employ a dedicated tool to achieve that.

Below, you’ll find 10 top email verification tools to maintain a good sender’s reputation, improve your email marketing performance, secure a low bounce rate, and reduce spam complaints.

How We Selected The Following Tools

All of the tools in this list have been tested by our team to provide an unbiased description of its features and capabilities.

We spent hours setting up new accounts and trying each software to provide an accurate experience and show users exactly what they will come across when they sign up. Find more information about our software selection methodology on how we choose tools to feature on the Moosend Blog.

1. ZeroBounce

Pricing: Starting at $15/month, credit system included

email verification tool

Zerobounce is one of the most popular email verifiers that promises 99% accuracy and has been trusted by notable brands such as Netflix, Intel, and Airbnb. To get instant results, you can upload your list in various formats, including CSV, XLS, and XLSX.

Except for bulk email validation, Zerobounce enables users to track activity data powered by AI tools to spot active subscribers and deliver more frequent, personalized campaigns to them. Also, they offer a blacklist checker to avoid damaging the sender’s reputation. Finally, through email finder, you can search for genuine addresses that benefit your business.

ZeroBounce Features

  • Bulk email validation service
  • Email scoring capabilities
  • Inbox delivery and email server testing
  • Real-time blacklist monitoring
  • Email finder
  • Integrations with CRM and email marketing services


Zerobounce’s monthly subscription plan starts at $15/month for 2,000 emails. Otherwise, you can choose the pay-as-you-go option, which is $16 for 2,000 emails. There’s also a free plan for up to 100 emails.

2. Bouncer

Pricing: Starting at $8 for 1,000 emails

Bouncer email verification service

Another platform that helps secure your email deliverability score is Bouncer. It offers a real-time bulk email verification API, enabling users to validate email addresses faster.

This email checker spots disposable email addresses and catch-all domains to remove invalid or inactive accounts. It also performs an email toxicity check, identifying issues like hacked email addresses or spam traps to safeguard your sender’s reputation. Last, you can integrate Bouncer with multiple email marketing services, such as Moosend, Mailchimp, and AWeber, to name a few.

Bouncer Features

  • MX record detection
  • Syntax and domain validation
  • Customizable download options
  • Toxicity check
  • Deliverability kit


Bouncer has a pay-as-you-go pricing system including all features, starting at $8 for 1,000 emails – visit their pricing page for more.

3. EmailListVerify

Pricing: Starting at $139/month or $4 for 1,000 emails

EmailListVerify platform

The next email verification service in the line is EmailListVerify. With a plethora of features, it helps businesses save money by removing invalid addresses and running essential checks to avoid spam traps and hard bounces.

EmailListVerify spots catch-all domains, and you can benefit from the disposable email and MTA validator to remove bad addresses from your list of emails. It provides businesses with an SMTP validator to maintain a healthier email list. Finally, this bulk email verifier offers free tools like MX Lookup and blacklist checkers to ensure maximum email deliverability.

EmailListVerify Features

  • Syntax error and SMTP validation
  • Email duplicates remover
  • Hard bounce checker
  • MTA validator
  • Real-time API


EmailListVerify has an affordable pricing plan starting at $4 for 1,000 emails. For businesses delivering a higher number of email campaigns, there are also subscription options starting at $139 for 5,000/day.

4. Neverbounce

Pricing: $10/month for 1,000 emails, credit system is available

Neverbounce email verification tool

Neverbounce is another email list verification tool committed to increasing your deliverability rate with an arrow of tools, including an automation functionality. It has features appealing to different business types, from enterprises to nonprofits.

Regarding its bulk verification process, you can benefit from its free bounce analyzer and removal of up to 99.99% of bounced emails from your list. You can also run a domain health check and advanced mail server validation to maintain maximum email performance. Finally, it has a user-friendly dashboard to save your verification history and access important insights.

Neverbounce Features

  • Bulk email list cleaning
  • DNS record validation
  • High-risk detection
  • Automated list cleaning
  • API, Java Script Widget, etc.


NeverBounce’s subscription plans begin at $10/month for up to 1,000 emails, and there’s also a pay-as-you-go option.

5. Clearout

Pricing: $31.5/month for 5,000 credits, credit system is avai

Clearout verification tool

Another solution that can help with your email verification process is Clearout, which also supports your SQL/MQL list-building efforts. It enables businesses to discover accurate B2B email addresses to build powerful email marketing campaigns and boost conversions.

Its verification tool offers quick, bulk email list verification to remove invalid email addresses. Moreover, it helps remove sub-addresses from ISPs like Gmail and Yahoo to keep single emails. It performs various checks, such as spam trap detection and mailbox error verification, to increase your deliverability rates.

Clearout Features

  • Auto-suggestion capabilities
  • Extended SMTP validation
  • MX record verification
  • Duplicate and sub-address removal
  • Guaranteed email delivery with email bounce elimination


Clearout offers pay-as-you-go pricing options, starting at $21 for 3,000 credits. You can also select a monthly plan starting at $31.5/month for 5,000 credits.

6. VerifyBee

Pricing: Starting at $19 for 2,500 verifications per month

VerifyBee platform

VerifyBee is an email verifier supporting invalid email detection with an emphasis on improving your customer outreach and closing important deals. It has an intuitive interface to find everything you want quickly.

This tool offers multiple CRM and email marketing software integrations to upload your up-to-date lists, perform real-time verification, and remove bad emails. As with every email verification service in this list, it’s GDPR compliant.

VerifyBee Features

  • Customer base sourcing
  • Phone number validation
  • MX and inbox checker
  • Clear interface


VerifyBee offers a free plan for up to 100 credits, while paid plans begin at $19 for 2,500 verifications/month.

7. QuickEmailVerification

Pricing: $25/month for 500 credits/day, freemium plan

QuickEmailVerfication tool

Let’s move to QuickEmailVerification, which, as the name suggests, offers solutions to reach speedy and secure results and a real-time email verification API.

Besides collecting valid emails and preventing duplicate or misspelled addresses, QuickEmailVerification also benefits businesses by enabling automation workflows to remove toxicity from your email lists and save time simultaneously. Finally, it offers helpful free tools, including a DMARC/DKIM analyzer and a domain name checker.

QuickEmailVerification Features

  • Drag-and-drop email verifier
  • Detailed reporting
  • Easy integration
  • Automated workflows
  • Domain typos suggestions


With QuickEmailVerification, you can opt for the pay-as-you-go pricing option starting at $4 for 500 credits or a monthly plan costing $25 for the same number of credits.

8. DeBounce

Pricing: $10 for 5,000 verifications

DeBounce email validation

DeBounce is another email validation platform that won the trust of notable brands, such as Samsung and Siemens, over the years. It offers many features that help minimize bounce rates, from disposable email checks to email deduplication.

Moreover, you can use DeBounce to find catch-all domains, remove spam traps, and share credits with your teammates to collaborate in the email verification process. You can also access detailed reporting to explore the main issues of your email list.

DeBounce Features

  • Easy-to-use dashboard
  • Syntax eliminator
  • Selectable download options
  • Domain confirmation
  • MTA validation


DeBounce’s pricing plans vary based on the number of verifications you want, starting at $10 for 5,000 verifications.

9. Mailfloss

Pricing: $25/month for 10,000 credits, pre-paid credit system is available

Mailfloss email verification

Another excellent tool for regular email list cleaning is Mailfloss. You can integrate it with your favorite ESP in simple steps to spot fake email addresses and fix typos automatically.

With Mailfloss, you can set automatic daily cleaning to remove invalid email addresses before they damage your sender’s reputation. There are instant unsubscribing and tagging options and detailed analytics and stats to review results and optimize your email list building tactics if needed.

Mailfloss Features

  • Daily cleanup (e.g., single email address verification)
  • Auto-tagging and auto-update custom fields
  • Detailed reporting
  • Real-time API
  • Role-based detection


Pricing plans for Mailfloss start at $25/month for 10,000 credits with the Lite. You can also get pre-paid credits beginning at $4 for 1,000 credits.

10. Hunter

Pricing: $49/month for 1,000 verifications, free plan

Hunter email outreach platform

Finally, we present Hunter, a customer outreach tool for those interested in a platform with more than email verification capabilities. It offers a fast email checker with a high accuracy level.

In short, you can conduct validation checks, such as domain, mail server response, and syntax. Moreover, you can use domain search and email finder tools to spot professionals and businesses you’d like to connect with.

Hunter Features

  • Email verification tools
  • Email finder
  • Domain search
  • Multiple integrations


Hunter has a free plan but with very limited capabilities. Paid plans start at  $49/month for 1,000 verifications.

Email Verification Benefits For Your Business

Do you want to learn more about the fruit you’ll reap using email verification tools? Let’s see:

  • Up-to-date email lists: Verifying email addresses regularly keeps active customers engaged and maintains a high deliverability score.
  • Lower bounce rate: Removing invalid, duplicate, and misspelled email addresses will help improve your email metrics and make it to your subscribers’ mailboxes.
  • Better sender reputation: A high sender reputation score ensures that your email campaigns will be delivered successfully, with fewer spam complaints.
  • Lower cost rates: Most ESPs charge their customers based on the number of subscribers they have in their list, so you reduce the costs with regular cleaning.

Choose The Best Email Verification Service For Your Business

As your email list grows, removing invalid, dangerous, or duplicate email addresses is vital to keep your metrics high and email costs low.

Email verifiers will help you promote their products/services. Find the best one based on key features like speed, data security, uploading options, and pricing.

Note that most email service providers have integrations with email marketing platforms that are native or available through Zapier to enable their customers to maintain their list hygiene.

For example, Moosend offers integrations with tools like NeverBounce, QuickEmailVerification, and Clearout. Sign up for a free trial today to test our features.


Here’s a rapid-fire round of frequently asked questions about email verification:

1. How can you do email verification?

You can use a dedicated email verification tool such as Neverbounce or Zerobounce to eliminate invalid email addresses that can hurt your sender’s reputation.

2. What are the different types of email verification tools?

There are three main types of email verification – valid, risky, and invalid. However,  each email verifier may handle these terms differently.

3. What is the difference between email validation and verification?

Email verification confirms that an email address belongs to a real person, while email validation that the address entered is correct. They’re usually used interchangeably, as most verifiers and email validation tools offer similar services.

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