27 Mar 2019
10 Best Email List Validation Services

Every company which deals with email marketing should validate its contact list from time to time. For this purpose, you should use special email validation services. Here’s what email validators help you do:

  • Check the correctness of the email syntax: for example, you can find domain spelling errors, missing “@”, and delete such addresses.
  • Find and replace duplicate emails.
  • Detect spam traps and remove them. Spam traps look just like normal email addresses, but if you send an email to such an address, email services will consider email marketing campaigns from your domain as spam.
  • Reveal contacts with a big number of spam complaints from them.
  • Detect disposable email addresses, i.e., email aliases for users’ real addresses. Nobody reads any emails in such mailboxes. 
  • Find role-based addresses, i.e. addresses associated with a certain company or position, not a person. Such addresses have high unsubscribe and complaint rates.
  • Check mail eXchanger (MX) records in the addresses' domains. A domain without MX can't receive emails. 
  • Check for an SMTP connection with the recipients' servers that shows if their accounts really exist.
  • Detect contact activity/inactivity — whether the subscriber is currently using the given mailbox.

This is an incomplete list, but nevertheless, it demonstrates well how many dangers there are in an unvalidated contact list. Especially if you’ve collected contacts offline — through questionnaires, surveys or flyers. Or if there was no Double Opt In enabled.
Using bad contact lists can lead to: 

  • Useless waste of money,
  • Falling into an email blacklist,
  • Damaged sender reputation,
  • Ban in your email service provider.

There are many services to validate email lists, but we have collected the best.

1. ZeroBounce

Zerobounce

An online verifier that enables you to check your email lists in TXT and CSV formats.

Advantages: the service finds the missing information about email contacts, such as their first names, last names, gender and geolocation. ZeroBounce support is ready to assist you 24/7.

The pricing for 100k emails is $385. You can check up to 100 emails for free.

Features:

  • Removing addresses with hard and soft bounces,
  • Cleaning contact lists from spam traps and contacts with a high level of spam complaints,
  • Finding additional information about contacts.

2. QuickEmailVerification

QuickEmailVerification

QuickEmailVerification offers verification of email lists in real time. This includes the ability to connect the validation tool to the registration form by API.

Advantages: real-time email validation.

The pricing for 100k emails is $320. You can check up to 100 emails for free.

Features:

  • Checking the correctness of the address syntax,
  • Detecting contacts with a large number of spam complaints,
  • Revealing role-based addresses,
  • Finding disposable email addresses,
  • Detecting suspicious domains.

3. MailboxValidator

MailboxValidator

A validator with the ability to check MX records.

Advantage: the original numeric contact rating system. Typically validators segment contact list into 3 main groups:

  • Active, 
  • Conditionally valid, 
  • Invalid. 

MailValidator works in a similar way, but with a more detailed gradation. All contacts have the rating:

  • over 0.70 — active, 
  • between 0.70 and 0.40 — conditionally valid, 
  • under 0.40 — invalid. 

This way, you can determine the boundaries of the contact quality on your own.

The pricing for 100k emails is $200. You can check up to 100 emails for free.

Verification includes:

  • Syntax,
  • MX-record,
  • Spam traps,
  • Disposable email addresses.

4. BriteVerify

BriteVerify

BriteVerify aims to ultimately simplify the validation process for your contact list. For example, you can drag and drop the list of contacts right into the check window, or import it directly from your ESP.

Advantages: the ability to enable validation for subscription forms via the API. The service offers support via the phone in the USA and Great Britain.

The pricing for 100k emails is $1000. A free trial is available.

Verification includes:

  • Syntax,
  • Role-based addresses,
  • Сontacts with a large number of complaints,
  • Disposable email addresses,
  • Suspicious domains.

5. Mailfloss

mailfloss  

Mailfloss integrates with MailChimp, Campaign Monitor, HubSpot, Constant Contact and many other ESPs. In just a few clicks, the service will connect to your account validate your contact list on a daily basis.

Advantages: you don't need to export contacts from your ESP, upload them to the validator, and remove invalid emails manually, then upload the validated list into ESP again. The entire process is streamlined thanks to the integrations.

The pricing for 100k emails is $150.

Verification includes:

  • Syntax,
  • Role-based addresses,
  • Сontacts with a large number of complaints,
  • Disposable addresses,
  • Suspicious domains,
  • Daily validation schedule,
  • Ability to customize all the functionality.

6. EmailMarker

EmailMarker

EmailMarker is one of the oldest and most credible email validators. The service validates emails in real time via the API.

Advantages: 24/7 support by email, phone or chat.

The pricing for 100k emails is $161. You can check up to 100 emails for free.

Verification includes:

  • Syntax,
  • Duplicates,
  • Spam traps and complaining contacts, 
  • Non-existing and inactive domains,
  • Addresses with bounces.

7. Xverify

Xverify

Xverify is a multifunctional system for the validation of email addresses, physical addresses, and phone numbers.

Advantages: the ability to add validation to subscription forms using the API, 24/7 support.

The pricing for 100k emails is $400. You can check up to 100 emails for free.

Verification includes:

  • Syntax,
  • Duplicates,
  • Spam traps and complaining contacts,
  • Disposable addresses.

8. Hubuco

Hubuco

Hubuco is a fast and reliable British system for email validation.

Advantage: 7 times faster than the competitors’ validation speed.

The pricing for 100k emails is $175, with a free trial.

Verification includes:

  • Syntax,
  • Duplicates,
  • Disposable and role-based addresses,
  • MX-records,
  • SMTP verification.

9. Email Сhecker

Email Checker

Email Checker provides a real-time email verification API.

Advantages: a user-friendly dashboard with drag and drop functionality.

The pricing for 100k emails is $299.

Verification includes:

  • Syntax,
  • MX records,
  • Online protection from dangerous and invalid addresses via the API.

10. eSputnik

eSputnik

eSputnik is, above all, a marketing automation software, not a validator. But there's also a number of free email validation features, such as:

  • Verification of email syntax;
  • Removing duplicate email addresses;
  • Checking for blacklisted addresses.
Communicate effectively
 

Usually, that's enough for safe e-mailing. But sometimes you may need additional validation for the email addresses you’re sending to. For instance, if you collected addresses long ago they could become outdated.

Therefore, eSputnik cooperates with Mailvalidator, which guarantees the perfect quality of your contact list. You can contact our support team to order a full validation of your list at a special rate.

We also advise you to use the Double Opt-In subscription method — this is the easiest and cheapest way to keep your contact list clean.

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