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Easy to use bulk email list cleaning service.

Editor's Overview

MailboxValidator is an accurate email verifier with reasonably good pricing and accuracy. However, if a user wants to use both bulk email verification and API under the one payment plan than MailboxValidator is not the answer.


  • 300 API queries free every month.
  • MailboxValidator Provides comprehensive reporting.


  • There are different plans for APIs and Bulk email verification.
  • Every pricing plan is valid only for 30 days.
  • MailboxValidator marks Hotmail accounts as invalid.

  MailboxValidator - Ranked 15th in Pricing

Number of Email Verifications Cost/Price
1000 Email Verifications $19
5000 Email Verifications $39
10000 Email Verifications $59
100K Email Verifications $199
500K Email Verifications $399
1M Email Verifications $699
  • Bulk email verification and API verification come in different packages.
  • The credit expires after 30 days irrespective of the plan.
  • The minimum order value is $19.95 for 1000 credits.

Top 10 Most Affordable Email Verification Vendors

(Cost for 10k Email verification)

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MailboxValidator - Ranked 11th in Accuracy

  • MailboxValidator states 96% for email deliverability.

  • MailboxValidator not only gives detailed email verification report but also clean all type of bad emails from the list effectively.

  • MailboxValidator marks Hotmail accounts as invalid.

Claimed By MailboxValidator

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Top 10 Most Accurate Email Verification Vendors

MailboxValidator - Multiple Different Validations

MailboxValidator Accuracy Vs. Avg. Industry standards

MailboxValidator Accuracy Industry Average
Gmail 100 58
Yahoo 100 56
Outlook 100 59
Hotmail 100 59
Yandex 100 60 33 29

MailboxValidator - Ranked 9th in Turnaround time

  • MailboxValidator is capable of processing 100K email addresses within 24 hours.

  • By turnaround time MailboxValidator is amongst the fastest bulk email verifiers.

Claimed By MailboxValidator


Top 10 Fastest Email Verification Vendors

(Turnaround Time per Emails)

MailboxValidator - Ranked 16th in Free Trial

  • One time - 100 free credits are available for bulk verification.

  • MailboxValidator offers 300 API queries free every month.

Daily Unlimited without signup

One Time 100 verifications available after signup

Credit card Not Required

Integration Options

  • Integration with Zapier is highly useful for automating the workflow provided by MailboxValidator.

  • MailChimp, AWeber, Campaign Monitor, Mailgun, SendGrid, and SparkPost are the email service provider integration available with the MailboxValidator.

Advance Features

  • MailboxValidator facilitates Greylisting feature, few vendors in the market validates emails through greylisting.

  • MailboxValidator offers unique integration through Zapier which can extract data from your apps like Google spreadsheet and send them to Mailbox Validator for validation. The results can be saved back into your apps.

Major Clients

client1 client2 client3 client4 client5

Sign up process

  • MailboxValidator sign-up process is carried out by email verification.

App installation required?

  • MailboxValidator is a SaaS-based service; it does not require installation or download.

Formats for file Upload

  • Acceptable formats for uploading the list is .csv and .txt.

Format for file Download

  • Resultant files is available for download in .csv format.

  • Available download options are - All emails, Good emails, and Good results.

  • Validation data is accessible for one year.

Customized / scalable services

  • Customized service is available on demand.
  • Contact MailboxValidator for the custom quote.
Request a quote

Customer Support

  • On the support front, MailboxValidator lacks behind. No live chat or phone support is available.

  • Email support is limited to business hours only.

Claimed By MailboxValidator
Live Chat
Live Chat
  • Excellent
  • Good
  • Average
  • Not available

Real-time verification through API

  • Real-time verification API is available in the following languages - PHP, Java, VB.NET, C#, Python.

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MailboxValidator Reviews


Chris Lim said "Able to perform the clean up using either the API or bulk email. Many integration supported like, for example, zapier"


Michael Cameroon said "MailboxValidator works well for Yahoo! email compares to other competitors."


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From the business

About - MailboxValidator

Established in 2013.

MailboxValidator is an easy to use email verification service, with powerful email cleansing process guaranteeing 96% deliverability. MailboxValidator provides a comprehensive report of domains, good-bad emails etc which can come in very handy for its user.

MailboxValidator does offer efficient email verification service, but is severely graded for its lack of customer support. The only way to reach them is by raising a ticket through contact form! Also, one needs to buy different packages for bulk email verification and API, which is valid only for 30 days.

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