What tools should I use to verify an email address ?

What tools should I use to verify an email address ?
Table of contents
  1. Mailnjoy
  2. EmailListVerify
  3. Hunter
  4. Neverbounce
  5. DeltaDromeus
  6. CaptainVerify

Verifying email addresses is an essential step in any email marketing strategy. Invalid or non-existent addresses can cause high bounce rates, damage your sending reputation, and harm the deliverability of your messages. To ensure your subscriber list is clean and up to date, there are a variety of specialized tools designed to check the validity of email addresses. What tools should I use to verify an email address ? Elements of answers.


Mailnjoy is a leading email address verification solution, proudly established in France. This professional platform stands out for its ability to perform an in-depth analysis of email addresses, classifying the results into 15 distinct categories. It therefore offers an extremely detailed view of your email contact list. By visiting the site, you will learn more about the email address checker.

The main objective of Mailnjoy is to allow you not only to remove invalid email addresses (hard bounce), but also to help you identify those that are valid but have little commercial value, such as addresses associated with robots, self-generated addresses, or even disposable addresses, among others. In addition to these features, the solution offers its users completely free predictive analysis of their database,

The Mailnjoy platform stands out for its proactive approach to email address verification, thus offering its users a complete view of their contact list. This careful analysis makes it possible to target not only invalid addresses, but also addresses with low commercial potential.

With the predictive analytics tool, users can make informed decisions about the cleanliness of their database, which helps improve their email deliverability and boost the effectiveness of their email marketing campaigns. With Mailnjoy, you have a reliable French professional solution to optimize your mailing list and maximize the impact of your marketing emails.


EmailListVerify is a solution specialized in verifying email addresses, and its name says a lot about its purpose. Since its creation, this platform has successfully processed more than 5 billion emails thanks to its verification tool, which even offers up to 100 free verifications. Using this SaaS tool is simple : you just need to import your file in CSV, XLS or TXT format to start the process.

In just a few minutes, a comprehensive report shows you the percentage of valid email addresses, while identifying the reasons why certain addresses are invalid. At the end of the process, you have the option to download a list containing only the email addresses that have been cleaned, thus excluding those that did not pass the verification process. With EmailListVerify, you have an effective tool to maintain the cleanliness of your mailing list and guarantee the deliverability of your emails.


Hunter is an interesting software in some ways because it not only allows you to check email addresses but also to find new ones. This tool offers 50 email checks per month. Therefore, the free version is mainly suitable for one-off testing. To go further and check the entire email list, pricing will start from €49/month for 1000 checks per month.


Neverbounce is an email verification software that provides a powerful API capable of handling 10,000 emails in 3-10 minutes. Thanks to their API, any developer can connect a contact form, a quote request form, an account creation form or an order form as part of their online store to the verification tool. Email provided by the solution.

Thus, with a tool of this type, after configuration, it is possible to check if the email exists in real time so that it can decide whether or not to display an error message and above all ensure the quality of the amount of data entered by the user. From the beginning.


DeltaDromeus offers everyone the ability to check the validity and availability of an email address with ease. All you have to do is go to their dedicated page, then enter the email address you want to verify and click on the “verify” button.

The process is transparent : the tool establishes a connection with the mail server of the mailbox in question, thus simulating the delivery of an email. No actual email is sent, but the response from the email server instantly provides the status of the email address, letting you know if it is valid.


CaptainVerify represents an equally effective free alternative. Its operation is similar to that of DeltaDromeus for verifying email addresses. Additionally, CaptainVerify offers a nice additional feature : checking your own email address to determine if it has been compromised in data leaks on hacked websites, where you might have an account. With CaptainVerify, you have a versatile tool to ensure the validity of your email addresses and to check the security of your own email in the event of a data leak.

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