Best Email Verification Tools To Clean Prospect List in 2024

Imagine crafting a perfect email campaign, putting your effort into every word and design detail. You send it out, hoping for a great response, only to discover many emails bouncing back or going unnoticed. That’s where an email verification tool comes in!

The email verification tools make sure your messages reach the right inboxes and avoid frustrating bounces into the void.

In this blog, we shall discuss:

  • What are email verification tools?
  • How to choose the best verification tool?
  • Benefits & best practices of email verification tool

Bonus Tip

Your search for an email verification tool means that you are or intend to run cold email campaigns. There are specialized cold email software like which provides email verification for free. It auto-verifies all emails before sending and has many other email deliverability features. So why spend extra?

Let’s get started with email verification.

What is email verification?

Email verification is the process of checking and confirming that an email address is valid and operational. 

This means ensuring it exists and is capable of receiving emails. It’s like confirming the address on a package before sending it out.

Here’s a breakdown of what email verification typically involves:

1. Syntax check –  This ensures the email address follows the correct format, like having “@” and “.” in the right places.

2. Domain check- This verifies if the domain name (e.g., actually exists and is accepting email.

3. MX record check- This confirms the server responsible for receiving emails for that domain is set up correctly.

4. Catch-all check- This identifies if the email address is part of a catch-all setup, meaning any email sent to that domain gets delivered to a single inbox.

5. SMTP check- This tries sending a test email to the address and checks for a response, confirming it can receive messages.

What is an email verification tool?

An email verification tool is a software that automates the process of checking email addresses for validity and activity. It offers various features and come in different sizes and price points, catering to different needs and budgets.

Some of the common types of email verification tools are: 

Single email checkers

These are free or paid tools that let you verify individual email addresses one at a time.

For example: Emailhippo, Zerobounce, Hunter, etc.

Bulk email verification tool

These tools allow you to upload and verify batches of email addresses simultaneously. They offer advanced features like syntax checks, domain checks, catch-all detection, and even SMTP checks. 

For example: Neverbounce, Kickbox, etc. 

Real-time email verification tool

These tools integrate with your website forms or signup processes to verify email addresses as users enter them.

For example: Briteverify, Zerobounce, etc.

Email verification APIs

Developers can integrate these APIs into their applications or software to verify email addresses programmatically.

For example: Verifalia, Mailgun, etc. 

How to choose the best email verification tool?

Choosing the best email verification tool for your needs can seem overwhelming, but by considering some key factors, you can narrow down your options and find the perfect fit.


The primary purpose of verification is to ensure valid email addresses. Look for tools boasting accuracy rates above 95%, using advanced checks like MX records and SMTP connections.


Processing speed matters, especially for large lists. Consider tools capable of verifying thousands of addresses per hour to avoid lengthy waits.


Different tools offer various pricing models, from pay-as-you-go to subscriptions with different tiers. Choose a plan that fits your budget and usage volume.

Feature Set

Get your list of required features. Do you require real-time verification, catch-all detection, data enrichment, or integrations with your existing platforms? Choose a tool with the features you need.

Security and Compliance

Ensure the tool adheres to data privacy regulations like GDPR and uses secure data handling practices.

Best email verification tools

There are many awesome email verification tools in the market; here, we will cover the eight best email verification tools based on security, UI, ease of access, and accuracy of email verification.

Email verification tool #1


G2: 4.5/5

Capterra: 4.7/5

Email verification tool

Key features: 

  • DeBounce boasts over 99% accuracy through multi-layered checks including syntax, MX records, SMTP connections, and more.
  • Advanced features like disposable email detection, catch-all domain identification, and greylisting detection refine the verification process.
  • You can integrate DeBounce into your signup forms or CRM to prevent invalid addresses from entering your list in the first place.
  • Classify and manage different bounce types to identify inactive or problematic addresses for removal.
  • DeBounce offers a robust email validation API for seamless integration with your applications or software.
  • It verifies domain existence and type (personal, business, etc.)
  • It also provides pay-as-you-go pricing, and ensures cost-effectiveness for occasional and frequent users.


  • Accurate: >95% accuracy, reduces bounce rates significantly.
  • Affordable: Pay-as-you-go, cost-effective compared to competitors.
  • User-friendly: Simple interface, suitable for beginners.
  • Fast processing: Handles large lists quickly.
  • Responsive support: Helpful customer service


  • Limited features: Fewer features than some competitors.
  • No CRM integrations: Missing integrations for specific platforms.
  • CSV format only: Limited upload options.
  • Limited support hours: Not 24/7 availability.
  • Data deletion concerns: Users express concerns about data retention.


Number of VerificationPriceNumber of verificationPrice
5,000 Verifications$10200k Verifications$140
10,000 Verifications$15500k Verifications$300
25,000 Verifications$301M Verifications$500
50,000 Verifications$502M Verifications$800
100k Verifications$905M Verifications$1500

Email verification tool #2


G2: 4.6/5

Capterra: 4.7/5

Key features: 

  • Zerobounce validates your entire email list in bulk & individual emails for potential invalidity.
  • It allows the integration of real-time verification API to prevent bad emails during form submissions.
  • It enhances valid email addresses with key customer data like name, gender, and geolocation.
  • It seamlessly integrates with popular email providers and services and expands connections through Zapier.
  • The email finder feature helps you to find new email addresses for your prospects.
  • It helps you to monitor your sender’s reputation and identify any issues that could be affecting your email deliverability.
  • ZeroBounce integrates with a variety of popular email marketing platforms, such as Mailchimp, Constant Contact, and Drip.


  • Improved email deliverability: Validates emails to remove bounces.
  • Clean email lists: Removes duplicates, catch-alls, and spam traps.
  • Affordable: May be cheaper than competitors.
  • User-friendly: Easy to use with clear instructions.
  • Integrations: Connects with popular email marketing platforms.


  • Complex initial set-up: Users experience difficulty in doing the initial setup.
  • Limited features: It lacks advanced options like scoring or finding emails.
  • Accuracy concerns: Some users report issues with validation accuracy.
  • Customer support issues: Users experience poor support experiences.
  • Security concerns: Users raise privacy or data security concerns.
  • Platform limitations: Only work with some email marketing platforms.


Zerobounce provides monthly subscription at $18/per month for 2000 emails along with pay-as-you-go starting from 0.009 USD. 

Number of emailsPrice per creditNumber of emailsPrice per credit
from 2,000 /mo0.009 USDfrom 100,000 /mo0.0039 USD
from 5,000 /mo0.008 USDfrom 250,000 /mo0.0035 USD
from 10,000 /mo0.0075 USDfrom 500,000 /mo0.003 USD
from 25,000 /mo0.007 USDfrom 1,000,000 /mo0.00225 USD
from 50,000 /mo0.007 USD

Email verification tool #3


G2: 4.8/5

Capterra: 4.9/5

Email verification tool

Key features

  • Bouncer instantly verifies single emails or tackle large lists efficiently.
  • It combines various techniques like syntax checks, MX record analysis, and SMTP connections for superior accuracy.
  • It identifies and removes low-quality addresses that harm deliverability.
  • It provides domain validation as well.
  • It allows seamless integration with your existing applications and workflows via API integrations.


  • Accurate email verification with data enrichment
  • Flexible options for real-time, bulk, and API use
  • User-friendly interface, secure, and GDPR-compliant
  • Easily picks up risky email addresses.
  • Data automatically gets deleted after 60 days


  • Some features costlier than competitors
  • Limited free plan and learning curve for advanced features
  • Basic reporting and no phone support
  • Interface is comparatively slower


Boucer follows the pay-as-you-go pricing plan. 

Number of emailsPrice per verified email
1,000 – 4,000$0.0080
5,000 – 9,000$0.0070
10,000 – 49,000$0.0060
50,000 – 99,000$0.0050
100,000 – 249,000$0.0040
250,000 – 499,000$0.0030
500,000 – 999,000$0.0025
1,000,000 – 2,499,000$0.0020

Email verification tool #4


G2: 4.8/5

Capterra: 4.7/5

Key features: 

  • Emailable provides fastest verification process as compared to it’s competitors, processing with 30K per minute.
  • It ensures less than 1% bounce rate for verified emails.
  • It provides multistage verification with various techniques for high accuracy.
  • It can handle bulk verification efficiently and quickly.
  • It integrates seamlessly with your applications and workflows with API integration.
  • It removes duplicate email addresses from your lists.


  • Blazing-fast verification: Claims 8x speed and 99% delivery guarantee.
  • Bulk processing powerhouse: Handles large lists efficiently.
  • API integration: Automates verification within your workflows.
  • Extra perks: Email scoring, anti-greylisting, and 24/7 support (premium).
  • Secure: Military-grade data encryption for peace of mind.


  • Limited free plan: Restricted features and volume limits.
  • Speed focus: Might prioritize speed over in-depth verification for specific uses.
  • Basic reporting: Fewer reporting options compared to some competitors.
  • Doesn’t work with Yahoo email addresses


Emailable follows a pay-as-you-go and monthly pricing structure. With a monthly subscription, you get some discounts. 

Number of emailsPay-as-you-go AmountMonthly Amount

Email verification tool #5


G2: 4.3/5

Capterra: 4.4/5

Email verification tool

Key features: 

  • Neverbounce instantly verifies single emails and tackles large lists efficiently.
  • It combines syntax checks, MX record analysis, and SMTP connections for high accuracy.
  • It identifies and removes all the low-quality email addresses that harm your deliverability.
  • The tool uncovers all the generic email addresses like info@, sales@, etc., that rarely engage.
  • You get a deliverability score for each address, allowing you to prioritize high-potential contacts.
  • It removes unnecessary duplicates that clutter your list.
  • You can seamlessly integrate your existing applications and workflows via API.


  • Accurate verification: The multi-stage approach tackles various invalid emails.
  • List cleaning power: Removes duplicates, spam traps, and inactive emails.
  • Data insights: Email scoring helps prioritize sending and protect reputation.
  • User-friendly & secure: Easy to use with data protection and GDPR compliance.
  • Flexible: Real-time, bulk, API options for different needs.


  • Deliverability focus: Might not offer in-depth verification for specific needs.
  • Basic reporting: Fewer reporting options compared to some competitors.
  • Deliverability focus: Might not offer in-depth verification for specific needs.


Neverbounce follows a pay-as-you-go pricing structure.

Number of EmailsPrice per email
Upto 10,000$0.008
Upto 1,00,000$0.005
Upto 2,50,000$0.004
Upto 10,00,000$0.003

Email verification tool #6


G2: 4.4/5

Capterra: 4.6/5 

Key features:

  • Hunter verifies single email addresses instantly on their websites.
  • It utilizes real-time checks for basic validation.
  • It provides detailed results, pinpointing valid, invalid, and unknown addresses.
  • It provides automated verification within your email marketing platforms for seamless workflows.


  • Easy to use: User-friendly interface and straightforward search and verification processes.
  • Large database: Access to a vast archive of professional email addresses across various domains.
  • Verified badge: Increases trust and engagement by highlighting verified email addresses.
  • Integrations: Connects with popular email marketing platforms for streamlined workflows.
  • Accurate results: Generally positive feedback on the accuracy of email search and verification


  • Pricing: Premium plans can be expensive compared to dedicated verification services.
  • Focus on finding emails: Verification features are not as comprehensive as dedicated tools.
  • Limited bulk verification: Bulk verification features are available only on premium plans.
  • Accuracy concerns: Some users report occasional inaccuracies in email searches and verifications.
  • No phone support: Customer support primarily relies on email and chat, lacking phone support.

Pricing: provides a free plan as well as paid plans. The paid plans are: 

Starter – $49Growth – $149Business – $499
1000 email verification10,000 email verification1,00,000 email verification

Email verification tool #7


G2: 4.7/5

Capterra: 4.7/5 

Key features:

  • Clearout provides verification of single emails or large lists instantly with high accuracy.
  • It provides multi-stage verification by combining techniques like syntax checks, MX record analysis, and SMTP connections for thorough validation.
  • It eliminates low-quality addresses that harm deliverability.
  • It provides pre-verified email addresses for prospects directly on chrome extension.
  • It enhances existing leads with valuable contact information like phone numbers and social profiles.


  • All-in-one: Combines verification, finding, and prospecting features.
  • Accurate verification: Multi-stage verification for high email validity.
  • Easy LinkedIn prospecting: Find emails directly on LinkedIn.
  • Data enrichment: Gain insights on prospects and companies.
  • Scalable & flexible: Handles single & bulk needs, various plans.
  • Secure & compliant: Encryption and GDPR compliance.


  • Potentially pricey: Can be expensive for specific needs compared to dedicated services.
  • Learning curve: Advanced features might require some understanding.
  • Basic reporting: Might lack extensive reporting options compared to competitors.
  • Some accuracy concerns: Users might report occasional inaccuracies.
  • Limited support: Reviews might mention lack of phone support.


Clearout provides monthly, annually and pay-as-you-go plan for their users. 

Their monthly and annual charges starts at $31.5 and $278.4 respectively.

Below are the few pricing:


Number of emailsPriceNumber of emailsPrice
5,000,000$8501 million$1,100

Email verification tool #8


G2: 4/5

Capterra: 4.9/5

Key features: 

  • Mailfloss verifies single email or large lists instantly with high accuracy.
  • It provides multi-stage verification process combines various techniques for thorough validation.
  • It identifies disposable and role-based email addresses (e.g., info@[domain]).
  • It ensures high inbox placement rates by removing harmful addresses from your lists.
  • It improves the sender’s reputation by preventing bounces and spam complaints.
  • It syncs verified email addresses with popular email service providers (ESPs) automatically.


  • Efficient and accurate verification: Real-time and bulk options with multi-stage process for high accuracy.
  • Deliverability focus: Helps improve inbox placement rates and sender reputation.
  • Automatic ESP syncing: This makes integration with your email marketing platform seamless.
  • Typo correction: Captures valid addresses despite minor errors.
  • GDPR compliance and security: Ensures data privacy and protection.


  • Pricing: Might be costlier than competitors for some needs, especially with limited free plan capabilities.
  • Advanced features might require learning: Some users might find advanced features less intuitive.
  • Reporting options: Reporting might not be as extensive as some competitors.
  • Occasional accuracy concerns: Some users might report inaccuracies in verification.
  • Limited customer support: Reviews might mention lack of phone support options.


Mailfloss provides 7 days free trial and three paid plans: 

Plan NamePricingNumber of emails

Best practices when using an email verification tool

Email still remains a powerful tool for connecting with your audience. Your email list needs regular cleaning to maintain its health and deliverability. 

Let’s get into the best practices for utilizing email verification tools to ensure your messages always reach their intended recipients, turning your campaigns into successes.

Some of the best practices that you can follow while using email verification tools are: 

Before you verify your emails:

  • Clean your list: Ditch duplicates, inactive, and outdated info in the sheet.
  • Segment wisely: Personal vs professional needs differ.
  • Set goals: Deliverability, lead gen, targeting? Match tool features.

During verification:

  • Choose wisely: Research tools, compare features, budget, and volume.
  • Understand results: Dig deeper than “valid”/”invalid”.
  • Don’t delete blindly: Categorize for potential recovery.
  • Check the criteria for email verification that the tool offer

After verification:

  • Suppress invalid: Block them from re-entering your list.
  • Monitor deliverability: Track bounce rates and spam complaints.
  • Verify regularly: Maintain list quality with scheduled checks.

What are the benefits of an email verification tool?

Imagine sending your carefully crafted campaigns to a list riddled with typos, inactive addresses, and even spam traps. You know the consequence. 

Let’s check some reasons on why you should use an email verification tool. 

Reduced bounce rates

Invalid email addresses lead to bounced emails, harming your sender’s reputation and potentially getting you blacklisted. Verification removes these addresses, ensuring messages reach real inboxes.

Higher engagement

By reaching active users, you are more likely to generate opens, clicks, and conversions, boosting campaign effectiveness.

Improved deliverability

Email verification tools help ensure that the email addresses you’re sending to are valid and active. By removing invalid or inactive email addresses from your list, you reduce the likelihood of your emails bouncing back or being flagged as spam, which can negatively impact deliverability rates.

Better sender reputation

Email verification tools help you maintain a clean email list by identifying and removing spam traps, role-based emails, and other potentially harmful addresses. This helps protect your email sender reputation and ensures that your emails are seen as legitimate by email service providers.

Cold email software for email finder, email verification & outreach

Since you’re looking for email verifiers, chances are you’re also using tools to find email addresses and cold email outreach tools. 

If that is the case, then you’re using multiple tools for different tasks.

What if you could have all these featuresunder one single platform? Wouldn’t that be convenient!

One of such platforms is 

SmartReach is an all-in-one cold email software that helps business teams to find prospects, run outreach campaigns, answer inquiries, and close deals.

It offers a complete email deliverability suite of features like spam test report, email warmup, missing & broken merge tags, spintax and soft start.

Additionally, it helps you generate email copies using AI and share them with your team.

Email verification tool

Get free credits of ProspectDaddy( a LinkedIn prospect finder tool), where you can get verified contact information of your prospects. 

SmartReach includes everything from prospecting and automating email outreach to managing responses, analyzing comprehensive reports, and ultimately working toward successful deal closures.

With a sales engagement platform like, you need not take a subscription for three different tools. Start a free trial and learn for yourself.

Email verification tool: which one should you choose?

Choosing the right email verification tool depends on your specific needs and budget. 

This is for your reference, but you can choose one based on your requirements.

  • High accuracy & features: Bouncer (pricier, more complex), ZeroBounce (advanced, affordable but some accuracy concerns)
  • Speed & efficiency: Emailable (fastest, focuses on speed over in-depth checks), Mailfloss (fast, accurate, focuses on deliverability)
  • Affordable & easy use: DeBounce (pay-as-you-go, basic features), Neverbounce (affordable, secure, basic reporting)
  • All-in-one: Clearout (expensive, requires understanding), Hunter (finding emails with basic verification)

By following these tips and choosing the right email verification tool, you can ensure your cold email outreach campaigns reach the right audience, resonate deeply, and ultimately drive successful results.

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