Email List Cleaning Service
free bulk email verification
bulk email verifier
email list verify
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Email List Cleaning Reinvented
  • Verifies every email in your list
  • Automatically corrects obvious typos
  • Removes invalid emails from your list
  • Prevents your email campaigns being stopped
  • Avoids your emails servers being blacklisted
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Try before you buy
Clean up to 100 email addresses for free
Signing up takes just 2 minutes
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Simple. Powerful. Brilliant.

There 's not much to say about ListWise apart from it's the best in the world at what it does.

Cleans every email
in your list

Removes duplicates
invalid emails

Prevents email
campaigns being

Auto Typo Fixing

API Integration

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ListWise is the secret weapon
Every successful bulk email marketer uses ListWise to separate the wheat from the chaff
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ListWise is the World's Simplest and Most Accurate Email List Cleaning Service

Verify an Email Address!

Enter an email address to check if it's valid.

Clean your email list now!

Our Customers Love Us

Some of our customers are featured below

Why Choose ListWise?

Because clean data always produces the best results

Sending good emails to bad lists is worse than sending bad emails to a good list. We've been around the email marketing and email list cleaning service game long enough to know that even a marginal difference in list quality can result in a major difference in the final outcome.

Because you don't want to get blacklisted by ISPs

If you attempt to send bulk mail to too many invalid, non-existent, bouncing email addresses then your mail servers, content, as well as all IPs associated with your campaigns could end up on very severe blacklists.

Smart Email Marketing

If you're an email marketing service provider, ListWise is absolutely crucial as an email cleaning service. It could be what will make the difference between your survival or demise as a company.

Email marketing service provider

Protect Your Email Server Reputation

As an email marketing service provider, your number one responsibility is to get your customers' emails delivered to inbox. Yes, in an ideal world, all your customers will be 100% clean, bring clean lists, run clean campaigns, stick to the rules and everyone will live happily ever after...but this ain't an ideal world and you know it. Don't let the poor list quality of your customers kill the reputation of your IPs. Remember, it only takes one bad sender to kill your delivery network launching a cat and mouse chase with ISPs to get your emails delivered.

Unbeatable Accuracy

Our global network keeps track of previously bounced messages and gives us the ability to predict with stunning accuracy whether or not an email address in your list is going to bounce. No email list cleaning service can give you these valuable insights.

Because no one cleans email lists better than us

ListWise is brought to you by CyberCom, the company behind Maxmail, the preferred bulk email application for high volume senders. We've gained valuable insights into cleaning lists and maintaining list quality.

API Integration

Use ListWise's simple but powerful email cleaning API to clean your customers' lists before you let them send a campaign. All you need to do is purchase prepaid credits in bulk, get the API key and start processing records before sending a campaign. You can also try how the API works by signing up for a free account which lets you clean up to 100 emails for absolutely no cost.

Every Email Marketer Needs ListWise

  • ListWise is the best email cleaning service every successful bulk marketer uses to separate the wheat from the chaff.
  • When you acquire new lists, you rarely have any clues what percentage of those email addresses will bounce or end up as invalid. Of course, every list broker will tell you that their list is “double opt-in” and “100% clean”, but you know better.
  • Considering you’re a seasoned email marketer, you know the cost of sending bulk email to a list full of old, invalid, non-existent email addresses that will generate lots of bounces and cause you and your ESP a lot of grief.
  • ListWise is a mind-numbingly simple tool that intelligently cleans your list, gets rid of duplicates and potential bounces and gives you a clean, fresh list that you can then use for your email marketing efforts.

Why We’re The Best Email Cleaning Service

Our background in the world of high-volume marketing gives us a real insider’s edge into this business of email list cleaning and email address validation.

 Verifies every email in your list

 Automatically corrects obvious typos

 Removes invalid emails from your email list

 Removes duplicates from your email list

 Prevents your email campaigns being stopped

 Avoids your email servers being blacklisted

 No-reply removal from your email list

 Easily download cleaned lists

 Validate email in bulk or via API

How we protect your data

Protecting your data is an absolute priority for us. As a an email cleaning company, we are Payment Card Industry Data Security Standards (PCI-DSS) compliant and have very strict internal controls on how data is handled both through our app as well as on the servers the data is hosted on.

  • As a starting point, only you have access to your data.
  • Any data cleaned through the 'bulk upload' option is deleted after 90 days or immediately after you click on the 'Delete List' icon.
  • Any data being cleaned using the API for email address validation is never stored on our servers.
  • In addition to that, in the live environment, you are logged in through a secure and encrypted screen that prevents your login credentials from being "sniffed" out partway through the login process.

Once you have cleaned your list, we recommend you use our sister service, Maxmail.

Maxmail is the world’s most cost-effective bulk email sending solution with no limits and no restrictions. Maxmail ensures your email reaches your recipients’ inbox folder!

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What are you waiting for? Let's clean those lists.