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MailboxValidator Reviews

A complete pack of genuine reviews of MailBoxValidator

Expert's Reviews on MailboxValidator

MailBoxValidator is a Malaysian-based email validation company. They aim to provide a clean email list by detecting disposable and invalid emails. As a result, they have an email verification accuracy of 89% in our audit. MailBoxValidator is good in API validation as they provide single email validation with fast results in return on all check parameters like catchall, role-based, disposable, invalid, valid, etc. Their plans are only valid for 30 days from the purchase; this makes them lay down with other vendors who provide validity of lifetime on all the plans.  Do you have projects in Codeigniter, Laravel, Yii, CakePHP, Django, and Flask? You get a feature for the integration of all that with MailBoxValidator directly! That escapes your manual process. Hurray!  Do you face technical problems? They have a great rich article to clear your all doubts and problems through it while avoiding wasting your time on searching the same on google or forums.


  • Limited Turnaround Time

    MailBoxValidator can verify 10K email addresses in just 400 minutes, which is under the limit of the average industry standard, i.e. 498 minutes. It ranks 12th for its speedy verification process; however, it could not keep pace with eleven other vendors audited by LCA.

  • Free Credits & Trials

    This tool also stands ahead in providing free credits and trials. It offers 100 free credits after signup and unlimited email validation without registration.

  • Good Integration Facility

    MailBoxValidator offers a good integration facility to automate your workflows. Currently, it provides integration with 18 applications, including well-known ESPs & marketing apps.


  • Costly

    MailBoxValidator asks for $60 for 10K email verification. With this, it is one of the costliest email verifiers in the industry. It is four times more expensive than other vendors such as RemoveBounce, DeBounce, etc.

  • Inaccurate

    However, MailBoxValidator uses anti-greylisting technology; it couldn’t come up with a reasonable accuracy level. We found it only 89% accurate during its audit, which is less than the average industry standard. It ranks 16th for its perfection in the list of 35+ email verification vendors audited by LCA.

MailboxValidator - 18th Most affordable ServiceWhile listing the email verifier services as the least costing placed on top, MailboxValidator stands on the seventh spot.

Number of Email Verifications Cost/Price
1000 Email Verifications $20
5000 Email Verifications $40
10000 Email Verifications $60
100K Email Verifications $200
500K Email Verifications $400
1M Email Verifications $700
  • 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 VendorsHere we’ve arranged the top 10 Email Verification Vendors on the basis of how much they charge for verifying 10K emails.

(Cost for 10k Email verification)

See All Affordable Email Verification Vendors

MailboxValidator - Ranked 9th Regarding Accuracy Percentage

  • We’ve audited their verification accuracy by verifying 200 email addresses of mixed types (valid, invalid, greylisted, role-based, disposable, etc.). Out of them, 89% of emails accurately verified by MailBoxValidator. It's the (16th) best accuracy we’ve surveyed. Here is a more detailed analysis of our findings in the below table.

Vendor’s self-quotation
Accuracy calculated in our Audit

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MailboxValidator - Accuracy Percentage Detected in Different Email Validations

From our in-depth survey, we've calculated MailboxValidator's accuracy as 93% . You can get profound details in the table below:

Top 10 Overall Most Accurate Email Verification Vendors

Let’s know how does MailboxValidator Accuracy surpasses the Industry standards.

MailboxValidator Accuracy Industry Average
Gmail 100 100
Outlook 100 100

MailboxValidator - Ranked 13th Fastest in Turnaround time Turnaround time is the time taken by any Email verification service to validate a given number of emails. Lesser the turnaround Time, faster the service is considered

  • MailboxValidator is capable of processing 200 email addresses within 8 minutes.

  • MailBoxVAlidator is capable of processing 10000 email address within 400 minutes

Average Industry Standards

MailboxValidator's Turnaround Time

Top 10 Vendors with Fastest Email Verification

(Turnaround Time per 10k Emails)

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

  • Syntax Checking: MailBoxValidator compares the email addresses with the standard format and validates them accordingly.
  • Free Email Service Verification: This email verifier can also detect the email addresses belonging to free email services such as Gmail, Yahoo, etc.
  • Disposable Email Provider Identification: MBV also detects whether the particular email is generated from any of the disposable email service providers or not.
  • Suppressed Email Checker: MBV can also find whether any email address is not a part of our suppression list (do not mail list). According to us, this is one of the very good features provided by MailBoxValidator as it helps you prevent hard bounces.
  • Role-Based Email Identification: This tool also identifies role-based email addresses, meaning those emails which do not belong to the particular person but the group of people, business, or brand. Ex: admin, support, sales, etc.
  • Duplicate Emails Checker: MailBoxValidator makes sure that your email list doesn’t consist of duplicate emails. If it finds such duplicacy, all the duplicate email entries will be removed. Ultimately, it decreased your cost.

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.

Formats for file Download

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

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

  • Results can be downloaded as .csv or sent directly to the integrated ESP

Customized / scalable services

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

Customer Support

  • Email support is limited to business hours only.

  • It takes approx 1 hour to get a response from Mailboxvalidator

  • Mailboxvalidators responses are sort and to the point.

  • For the technical questions, MailBoxValidator provides detailed content on the website.

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

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


Keris Topa said ""


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 89% 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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