Why You Should Use an Email Verifier

The history of modern email usage and services dates back to the 1960’s during the infancy of the internet. Today a staggering 269 billion emails are sent each day globally, with just over 3.8 billion email users worldwide.

For internet marketers, email is an important way to communicate. Find out how an email verifier can help your marketing efforts and your bottom line.

Email verifiers are important, but many marketers still don’t understand if they should use an email verifier or not. Email verifiers help you get rid of spam and can be useful for your business.

Real customers start with real emails, and using email verification is still the most effective way to ensure that quality data is collected. When you validate email addresses, your email marketing becomes more effective, improves fraud prevention, and increases your ability to protect your sender reputation.

Email is still one of the most preferred and effective communication channels, and most people check their email on a daily basis. Unfortunately, only 10% of the collected email addresses are accurate, this incorrect data is mostly caused by human error.

What’s an Email Verifier?

Email verification is the process where an email address is verified to check if it is active without having to send a message. Many users find this practice to be very beneficial as it helps to reduce both programmatic and harsh bounce rates from email campaigns while protecting the reputation of their outgoing mail server.

The Email Verification Service can be used to perform such verification in bulk to save time and manual effort with API integrations to automatically parse entire mailing lists to prevent fake registrations and invalid data.

There are many reasons why companies would like to receive email confirmation nowadays. 

5 Reasons to use an Email Verifier

By carefully considering the variety of email verification options, you can choose the best email tester for your business. 

  1. Non-existent domains – When a company closes or changes its domain, the email addresses associated with the non-existent domain also become inactive. In such cases, email verifiers can help you remove email addresses that belong to a non-existent domain to lower your bounce rate.
  2. Job changes – People change jobs over time. In such cases, the old domain either becomes unavailable or is redirected to another person’s email address. Checking email addresses helps determine when people quit their jobs.
  3. Syntax errors – Syntax errors are errors made when registering email addresses. Examples include any spelling errors and unintentional spaces included in the email address. Email syntax checking helps identify these erroneous email addresses.
  4. Spam traps – Spam traps emails are email addresses that do not belong to any real person. They are created to catch spam emails. Such spam traps should be avoided since they might get you blacklisted, which will result in poor delivery and poor sender reputation.
  5. Improves ROI and saves money – The biggest benefit of checking email is the amount of money your company can save by cutting down on marketing costs. Every email sent represents money wasted, so every marketing message sent to non-existent or inaccurate email addresses is money wasted. 

The email validation process begins with validating the syntax of the email address. Next, the verification tool checks if the domain name is correct. Once that is found OK, advanced technical processes begin. They ascertain the validity of the email addresses. After the verification process ends, the tool will display results.

Think about the benefits of email verification that can bring your business. Here are the main benefits of email verifier tools:

  • Reduces email bounces,
  • Ascertains accuracy of your data,
  • Saves money,
  • Shows accurate campaign insights,
  • Improves customer engagement,
  • Increases campaign ROI.
  • Protects sender reputation.

How Email Verification works

While many people have heard of, or may have used some of, email verifiers, not everyone clearly understands the technical aspects of the service. Now is the time to learn how to validate email addresses to keep this list clean, improve deliverability, and reduce bounce rates.

There are many technical nuances to how email verification tools work. Email verification usually involves checking your mailing list for spam traps. It identifies any issues and possible problems before they’re caught by ISPs or ESPs. The next thing that happens with email verification is that the provider checks the format of your emails. The next step of the process is domain verification. The final step of the process is individual mailbox validation.

The general idea is that each email tester performs validation according to the developers’ algorithms. How are email addresses verified by Snov.io? We use a 7-tier verification process to check email addresses:

  1. Syntax check,
  2. Check for gibberish,
  3. Checking domain existence,
  4. MX record verification,
  5. Comprehensive domain verification
  6. SMTP Authentication (Ping Email Address),
  7. Check an email for free.

Snov.io Email Verifier is a tool that clears your email list from invalid emails. You can use Snov.io Email Verifier for free on a free account. Snov.io verifies most email addresses, including custom domain emails. Snov.io doesn’t verify emails from unverifiable domains.


Email verification is one of the best solutions to deal with the proliferation of inaccurate or abandoned email addresses. Email verification should be used to keep your contact list up to date with loyal subscribers or interested potential customers for the best email marketing results.

The benefits of checking email are numerous and significant, from cost savings to better analytics, from dramatically reduced email bounces to fewer complaints. Successful marketers know this and always try to use clean lists.