9 Best Email List Cleaning & Scrubbing Services for 2024

15.8% of all emails never get delivered. An email cleaning service will help you get your email into inboxes and increase engagement. It lowers your bounce rate and improves your sender reputation. This will result in better open and clicks rates and, ultimately, higher revenue.

Let’s review the best email list cleaning services on the market today. We will explore the features, pricing, and customer reviews.

But before we go into details, let’s overview the pay-as-you-go prices of the email list cleaning tools:

9 Best Email List Cleaning Services Overview

Services5,000 Credits10,000 Credits50,000 Credits100,000 Credits500,000 Credits
Kickbox$40$80$400$800Ask for price
Snov.io$75$142$277$554Ask for price
Hunter$149$149$499$499Ask for price

What to look for in Email List Cleaning services?

email verification results email scrubbing

Companies that use email marketing have to clean their email lists regularly. You spent time and money growing your email list. It’s one of your most important digital marketing assets. You must take care of it with a good email list cleaning service that can:

  1. Reduce spam complaints: for every 10000 emails you send, you should get fewer than 5 spam complaints.
  2. Remove risky emails: accept-all, role-based ([email protected], [email protected]), disposable emails are all considered risky. They bounce more often.
  3. Eliminate hard bounces: email addresses that are no longer valid or don’t exist anymore or fake emails are the most common causes of hard bounces.
  4. Avoid blacklists: Getting backlisted stops your email delivery to certain services.

Email scrubbing must be accurate and secure.

The accuracy of an email scrubbing service shows how well it can detect accept-all, role-based, disposable, invalid, and fake email addresses. These often result in hard bounces. Most email list cleaning services today are pretty accurate at detecting role-based emails. We’ll go through the accuracy of services below. As you’ll need to trust these platforms with your customer database, they must also have proper security measures. That’s why the tools on this list are very strict about data security.

But what should you look for beyond accuracy and security in your email list cleaning service? Here are some of the most important features your email list cleaning tools should have:

  • Bulk Email Verification: This is a must-have feature for companies that send mass emails. It can determine if the list is valid or not. It goes through bulk addresses and checks them.
  • Toxic Domain Check: Detects abusive, spammy, or bot-created domains.
  • Spam trap detection: Removing spam traps is essential to preserve your email clean and easy to use.
  • Syntax check: Checks if the email address is structured correctly.

9 Best Email List Cleaning & Scrubbing Services (Free & Paid)

Let’s review the features, pricing, pros, and cons of the best email list cleaning services. We also checked customer reviews from different platforms to give a complete picture.

1. Bouncer 

Bouncer is an email list cleaning service founded in 2017. It helps you clean your email lists, check if email addresses are valid, and protect you as a sender. 

It’s easy to use and has 99.5% accuracy. The Bouncer team takes data security seriously, it’s GDPR compliant. They have data centers in the EU. When emails are sent for verification to their servers, they’re anonymized. The best part is you can remove your verification results directly if you want. Otherwise, they do it automatically after 60 days. 

Besides, we love how fun it is with visuals of Winston, the silverback gorilla. It takes the boring out of email scrubbing.

email validation result example pricing cost Bouncer

The free email verification sampling is a unique feature to save time and money. Bouncer samples random email addresses in your list to see if your full database needs a clean.

The Bouncer Email Verification API is a powerful way to integrate email verification into your website or SaaS sign-up forms. This continuously keeps your email list healthy for you. You validate email addresses as they come in. Let’s say someone wants to sign up with a temporary email. You can use Bouncer’s API to reject them in real-time and request a proper business email.

Bouncer Integrations

Bouncer integrates with 50+ software. Including all popular email marketing tools like Brevo, GetResponse, AWeber, Moosend, Mailchimp, Constant Contact, Hubspot, and Klaviyo.

Customer Reviews of Bouncer

Customers like Bouncer because it’s user-friendly, cost-effective, and has fantastic customer support. You can even read that users are struggling to find flaws.

Bouncer Pricing

Sign up to Bouncer and get 100 email verifications for free. Bouncer pay-as-you-go pricing starts at $8 for 1000 credits. Monthly plans start at $50/month for 10K email validations.

Bouncer already has one of the best prices. We got an additional 25% off on Bouncer for our readers. Just sign up through this special link here to get the discount.

Get Started with Bouncer for free here
or read our full Bouncer review

2. Mailercheck

MailerCheck is an email list cleaning service to verify, analyze, and clean email lists. Upload your email list to verify it in bulk or validate new emails as they come in with the API. 

Bulk verification checks your list for catch-all emails, typos, syntax errors, and emails likely to bounce. You’ll get a cleaned email list and recommendations that will help you optimize your list.

Email marketers can also test and improve content. Mailercheck flags spam words, broken links, and blocklists. This protects your sender reputation and increases deliverability. 

The results of verifications are shown with circles on a dashboard. This makes it simple to check how many valid and invalid emails a list contains. And what the causes are for invalid emails: typos, disposables, catch-alls, or full inboxes.

Mailercheck email list verification services

Most email verification services only verify email addresses. With Mailercheck, you can test the content of your emails with Email Insights. Send emails for your email marketing to MailerCheck. It will run a spam filter test, validate HTML, highlight spam words, show broken links, and check if your domain is on a blocklist.

MailerCheck Integrations

You can directly connect MailerCheck to email marketing software, like Mailerlite, ActiveCampaign, GetResponse, ConvertKit, and Mailchimp. Or use Zapier or Make to connect it to 5000+ other apps.

Customer Reviews of Mailercheck 

Customers like that they can set it up in a few minutes and quickly run verifications. Mailerlite customers like how easy it is to connect and verify new emails as they come in. There aren’t many bad reviews. Some mention that it took a while to get the hang of using it.

MailerCheck Pricing

MailerCheck gives you 200 free credits when you sign up. Pay-as-you-go prices start at $10 for 1000 verification credits. Monthly subscriptions start at $20/month for 2500 credits.

Try MailerCheck for free here

3. Kickbox

Kickbox is an email list cleaning service with list validation and real-time email cleaning. It cleans your email lists removing emails with invalid domains, invalid and unavailable SMTP, accept-alls, role emails, and low-quality emails. Kickbox puts emails into 3 categories: risky, undeliverable, and deliverable emails. You can use it to verify emails in real-time at sign-up.

Kickbox email list cleaning service with deliverability tool

Kickbox also has deliverability tools and consulting. The tools include blocklist monitoring, inbox placement checker, email testing, and DMARC monitoring. Kickbox is known for fast signup and high verification speed. Users can upload CSV and XLSX files. 

Kickbox Integrations

You can connect Kickbox directly to email marketing tools, like MailerLite, iContact, Benchmark Email, AWeber, Klaviyo, Mailchimp, Campaign Monitor, Vertical Response, and Constant Contact. Marketing automation platforms like GetResponse, Marketo and Iterable. And 5000+ other apps with Zapier.

Customer Reviews of Kickbox

The reviews of Kickbox are quite positive. People like this email validation tool because it’s easy to use. Customers complained about customer support and that they don’t have enough data about why some emails are “risky”.

Kickbox Pricing

Kickbox gives you 100 free verification credits to test the platform. Prices start at $5 for 500 verifications. They don’t charge for unknown emails.

4. ZeroBounce

ZeroBounce is a popular email verification service with high accuracy. It’s a powerful email cleaning tool with bulk email verification, abuse email and spam trap detection, disposable email check, gender identification, and a blacklist monitoring service.

They take security and privacy seriously. ZeroBounce is GDPR, SOC 2, CCPA, and PCI compliant. They claim to have 98% verification accuracy. You can test it with 1000 free monthly email verifications.

Zerobounce email cleaning tool with email verification

Segmentation is key for successful email marketing campaigns. If you don’t have engagement data in your email marketing tool, you can get decent engagement data from Zerobounce. They call it activity data, which tells you if a subscriber had any email activity in the past 30, 60, 90, 180, or 365 days. This works well for running targeted campaigns, even for stale lists.

ZeroBounce Integrations

ZeroBounce integrates with 40+ popular email tools, marketing automation software, eCommerce platforms, and CRMs; including Hubspot, AWeber, GetResponse, ActiveCampaign, Constant Contact, Brevo, Shopify, Zapier, and Make.

Customer Reviews of ZeroBounce

Customers like that the tool is easy-to-use, the name appending feature, the documentation, and the quality support and sales team. Some customers complain about validations running slowly, but they don’t mind because the quality is good. Another con was the lack of native integration with ActiveCampaign.

ZeroBounce Pricing

Try Zerobounce for free with 100 free monthly email verifications. The starting price is $16 for 2000 email verification credits. Monthly pricing starts at $15 for 2000 credits.

Sign up to ZeroBounce for free here

5. Alfred

Alfred is an email list cleaning and threat detection service. Companies like Riot Games, GetResponse, and Grant Cardone checked 11 billion emails with Alfred since it being founded in 2015.

Getting started and running a validation is very quick. When you upload your email list, Alfred first checks if it needs to be cleaned. After the evaluation, you just click to immediately start cleaning your list. You’ll get results, like “best deliverability”, “maximum reach”, and “do not send”. If you need more details, you can check the quality scores and your information on your contacts’ mailbox providers.  

You can clean your email lists through Alfred’s website interface. Or add Alfred to your forms and verify email addresses at sign-up with the API. Currently, Alfred has direct GetResponse, Digioh and Klaviyo integrations.

Customer Reviews of Alfred

Customers like it because of its usability, performance, and cost. They also praise the availability of phone, email, and chat support.

Alfred Pricing

Sign up to Alfred and get 250 email verifications for free. Alfred’s pay-as-you-go pricing starts at $1 for 100 verifications. You won’t be charged for duplicates and unknowns.

Try Alfred for free here

6. Snov.io

Snov.io is a sales and CRM platform with an email list-cleaning service. They claim to verified 90M+ emails in the past year. The platform has an email finder, drip campaigns, email warm-up, CRM, and a technology checker. 

The email verifier can check individual emails, verify in bulk, or validate at sign-up. It cleans invalid, suspicious, and duplicate emails off your lists. And they claim this gives users 98% deliverability.

Snov.io CRM platform with an email list-cleaning service

It’s simple to sign up, you don’t even need a business email. Snov.io allows uploads in TXT, CSV, XLS, and XLSX formats. This makes it easy to import and export lists if you don’t want to integrate it with your CRM or email marketing service.

Snov.io Intergations

Snov.io integrates with over 5000 CRMs, email marketing tools, form and landing page builders, support platforms, and social media apps. These include Hubspot, Pipedrive, Freshsales, Intercom, Calendly, Zapier, and Mailchimp.

Customer Reviews of Snov.io

Snov.io customers often mention the quick email verification service as a pro. They praise their drip email campaigns. Some customers complain about missing segmentation and search features.

Snov.io Pricing

Sign up to Snov.io for free and get 100 email verifications, 100 drip campaign recipients, 50 email searches, and a free CRM. Prices start at $39/month for 2000 email verifications.

7. NeverBounce

NeverBounce is an email list cleaning service with 125K+ users. it tests your email data of any size for free and reports back if it’s OK or needs testing. The tool can identify subdomains, MX records, free emails, aliases, domains, networks, SMTP servers, duplicate email addresses, bad syntax, and role accounts. And clean invalid and bounced emails. Their claimed accuracy for bounce removals is 99.9%.

If this is a bit hard to get, don’t worry. Neverbounce gives results in 5 simple categories: valid, invalid, accept all, unknown, and disposable. And you have the option to dig deeper with 25 advanced metrics.

Neverbounce email list cleaning service

For lists with many invalid or unknown emails, a NeverBounce team member will personally review the list. This is useful if you have a very outdated list and clean it for the first time. We’re missing the 24/7 support, but there’s live chat and email support.

NeverBounce Integrations

NeverBounce connects to 80+ marketing automation, email marketing, and CRM software, like ActiveCampaign, Mailerlite, Moosend, Pipedrive, Hubspot, Constant Contact, AWeber, and Zapier.

Customer Reviews of NeverBounce

NeverBounce customers like the accuracy of the results and the overall experience. Some customers complained that integrating with Hubspot was difficult.

NeverBounce Pricing

NeverBounce only gives free credits if you book a demo with the sales team and give your credit card details. Pay-as-you-go prices start at $4 for 500 emails. Monthly plans start at $10/month for 1000 credits.

8. BriteVerify

BriteVerify from Validity is an email verification service with list validation, bulk, and real-time verification. You do quick list validations from the app or with integrations. This is the only no-code tool they provide. For bulk verification and real-time verification for sign-ups, you’ll coding skills or a dev’s help. List validation will show you valid, invalid, unknown, and accept-all emails. 

Briteverify email verification service with list validation

BriteVerify claims to verify 4,000 email addresses per minute. 100K emails take around 25 minutes. The tool can verify phone numbers (US & Canada) and mailing addresses (US only). It’s a good choice for multichannel campaigns and validation. The interface isn’t as modern as the other tools on this list. It takes some time to get used to it.

BriteVerify Integrations

Connect BriteVerify with email service providers like AWeber, Mailchimp, Campaign Monitor, Mailjet, Emma, and Constant Contact. For other integrations, you’ll need to use their API.

Customer Reviews of BriteVerify

Users praise about the quickness, download options for results. and the API. Some reviewers complained about the lack of detail in results and few native integrations. 

BriteVerify Pricing

BriteVerify doesn’t have a free trial or free credits. You can only schedule demos. Prices start at $40 for 5000 email verifications.

9. Hunter

Hunter is an email outreach platform that has email list cleaning. It cleans your email list by checking the format, the domain, and the server response. Upload a list of emails for bulk verification or add the email verifier API to your site or app. 

Hunter email verifier checker tool verification validation

The Hunter browser extension lists all the emails from the Hunter database that have the same domain as the site you’re visiting. It’ll also show if an email is verified or not. Hunter also has a Google Sheets add-on that verifies email addresses in your sheets. These are great features for smaller sales and outreach teams.

Find out if Hunter made our list of the best email outreach tools here.

Hunter Integrations

Connect Hunter directly to CRMs, email clients, and automation tools with 9 native integrations. These include HubSpot, Pipedrive, Salesforce, Zoho CRM, Gmail, Outlook, Google Sheets, Zapier and Make. The last 2 let you connect Hunter with 5000+ other apps.

Customer Reviews of Hunter

Most customers of Hunter praise the ease of use, the customer service, and how it helps them build and clean a database. We didn’t find any cons about email verification. Some customers would like better lead filtering and faster load times.

Hunter Pricing

Get 50 free verifications with Hunter. The Starter plan costs $49/month for 1000 email verifications. Extra credits cost $5 for 100 credits. The Growth plan costs $149/month for 10K verifications. Hunter is more expensive compared to other email verification services, but it has an email finder and an email outreach tool in all plans.

Final Thoughts about Email List Cleaning Services

We covered the 9 best email scrubbing services. Let’s quickly recap. Bouncer has affordable pricing with high accuracy and an amazing user experience. MailerCheck and ZeroBounce have around the same accuracy at 98%.

A clean email list doesn’t take you very far if you don’t have an email marketing software to send and automate good-looking emails. We reviewed the top email platforms in depth:

Email List Cleaning Services FAQs

What is an email list cleaning service?

Email cleaning services are tools to check and verify email addresses on your list. These tools will categorize emails to see if they are valid, invalid, or risky. It’s recommended to send your campaigns to valid email addresses only. And remove risky and invalid email addresses to keep your sender reputation high.

It’s important to check if an email list cleaning service integrates with your email marketing tool. Here’s a list of our favorite email cleaning services with integrations to popular email marketing software:

What is email deliverability?

Email deliverability makes sure emails land in the subscriber’s inbox. Emails can bounce or get blocked or rerouted by spam filters. Email deliverability rate is the predicted percentage of emails delivered.

You can improve your email deliverability by regularly cleaning your email list, complying to GDPR and similar data protection laws, and avoiding spammy words in your content.

What is email validation?

Email validation checks if an email address is valid and deliverable. Email validation tools verify emails in bulk and deliver results in categories like valid, risky, and invalid. We recommend sending to valid email addresses only. And removing risky and invalid email addresses. A good email cleaning tool gives you more detailed data about why certain emails are risky or invalid. Our favorite email validation tools are:

What are some email list cleaning software must-have features?

Here are some email list cleaning software must-have features:

  • Bulk Email Verification: This is a must-have feature for companies that send mass emails. It can determine if the list is valid or not. It goes through bulk addresses and checks them.
  • Toxic Domain Check: Detects abusive, spammy, or bot-created domains.
  • Spam trap detection: Removing spam traps is essential to preserve your email clean and easy to use.
  • Syntax check: Checks if the email address is structured correctly.
  • Integrations: Your list cleaning tool must integrate with your email marketing software. You don’t want to waste time exporting and importing lists for each cleaning.
  • Real-time verification: It’s best practice to validate email addresses at sign-up. Good email list cleaning tools can check for syntax errors, disposable and invalid email addresses when contacts fill out a form.

What are the main benefits of using an email list cleaning service? 

The main benefits of using an email list cleaning service are:

  • It reduces costs. Every email you send has costs. It’s not a huge amount per subscriber, but the numbers can add up. So, if your list is full of invalid emails, you’re throwing money away.
  • Fewer bounces. Cleaning bounced email addresses improves your sender reputation and deliverability.
  • Removes spam traps. These are email addresses used to identify spam emails. Internet providers, anti-spam organizations, and companies lure spammers with these email addresses. Even if you’re not a spammer, you can have spam traps on your contact list. Removing these are essential to avoid blacklists.

How to clean your email list?

To clean your email list, you need an email cleaning tool. Upload your email list to the software. Then the app will run the verification. It usually takes about 1 minute for a list with 1000 contacts and around 20 minutes for 100K subscribers. When the cleaning is complete, you’ll see how many email addresses are valid, risky, or invalid. And you can download your list of contacts. From most email scrubbing tools, you can download valid, risky, or invalid emails separately. Our favorite list cleaning tools are:

How much does it cost to clean an email list?

It costs between $5-$2500 to clean an email list. It’s around $5 if you clean an email list with 500 subscribers. And the costs increase the larger your list is, so cleaning an email list with 500,000 contacts costs between $1000-2250. Our favorite affordable email cleaning tool is Bouncer

About Mor Mester

Mor Mester is the Head of Content Marketing at EmailVendorSelection. He's an email marketing and marketing automation expert with 6+ years of experience. Having tested and reviewed 100+ email marketing, marketing automation, CRM, ecommerce, SMS marketing, email verification, online course, and lead generation tools, he knows a good business software when he sees one.
After work, you can find him riding his bike on some trails.

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