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What is MailboxValidator?

"Monitor your bounce rate and improve deliverability by using MailboxValidator Email Validation Service. It can be used to validates and removes the invalid email addresses."

Validate your email list with MailboxValidator to get rid of bad emails and reduce email bounce rate.

If you do email marketing, you definitely want to take a look at MailboxValidator.  MailboxValidator is an easy to use email list cleaning service which can be used to check email lists to identify invalid or probably incorrect email addresses. 

MailboxValidator uses SMTP checks and syntax based checks to identify the invalid email addresses. We also offers an API service which can be used for validating a single email address dynamically. The API can return results in either XML or JSON format. It helps to reduce the bounce rate of emails and increase the success of your mailing reaching actual real customers.

Key Features:

  • Email Syntax Checker:
    Validates that the email address conforms to a standard format.

  • MX Record Checker:
    Checks for the existence of mail server records in the DNS.

  • MX Server Connection Checker:
    Tests for a successful network connection to the mail server.

  • Email Greylisting Checker:
    Checks if the mail server uses spam trap as honeypot.

  • Free Email Provider Checker:
    Checks to see if the email address is from a free email provider like Gmail.

  • Disposable Email Provider Checker:
    Checks to see if the email address is from a disposable email provider like Mailinator.

  • Suppressed Email Checker:
    Checks if an email is in our own Do Not Mail list.

  • Role Email Checker:
    Checks if an email address is a role email like admin, support, webmaster or sales.

  • Duplicate Email Remover:
    Removes duplicate emails in list to save cost.

  • Bulk Validation Supported:
    Upload a mailing list to speed up bulk cleaning.

  • Single Validation Supported:
    Validate a single email immediately.

  • Free Bulk Trial:
    Free bulk trial plan with 100 credits.

  • Free API:
    Free API credits for 300 credits per month.

MailboxValidator scored 86/100 in the Email Marketing category. This is based on user satisfaction (86/100), press buzz (36/100), recent user trends (rising), and other relevant information on MailboxValidator gathered from around the web.

The score for this software has improved over the past month. What is this?

MailboxValidator Awards

MailboxValidator Quality Choice Badge 2020
  • MailboxValidator
  • MailboxValidator

Email Marketing Market Radar

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MailboxValidator Product Overview

  • Free One Month Trial for Bulk Plan

  • 300 Free Credits/Month for API Free Plan

  • Email Syntax Checker

  • MX Record Checker

  • MX Server Connection Checker

  • Email Greylisting Checker

  • Free Email Provider Checker

  • Disposable Email Provider Checker

  • Suppressed Email Checker

  • Role Email Checker

Languages: English

Email Marketing Software Buyer Guide 2020

Product recommendations, vendor rankings, market overview and tips on how to select Email Marketing software for business. Published in May 2020.

The right software setup can greatly increase the efficiency and impact associated with email marketing activities. Most solutions in this space focus on the automation and compiling / sending of merge field emails or managing email newsletter campaigns. Th...


MailboxValidator Features

  • A/B Testing
  • API
  • Audience Targeting
  • Brand Management
  • Calendar Management
  • Contact Management
  • Contact Sharing
  • Conversion Tracking
  • Customer Management
  • Dashboard
  • Data Export
  • Data Import
  • Data Visualization
  • Email Integration
  • External Integrations
  • Google Apps Integration
  • Keyword Tracking
  • Lead Management
  • Lead Scoring
  • Marketing Automation
  • Multi-Account
  • Multi-User
  • Notifications
  • Scheduling
  • Social-Media Integration
  • Third-Party Plugins/Add-Ons
  • Social Media Monitoring
Compare Pricing

MailboxValidator Pricing Plans

Bulk - Trial

  • 100 Queries
  • 30-Day Validity
  • Free

API - Free

  • 300 Free Monthly Queries


1 user(s) / month
  • 1,000 Queries
  • $0.02 / Query


1 user(s) / month
  • 5,000 Queries
  • $0.008 / Query


1 user(s) / month
  • 10,000 Queries
  • $0.006 / Query


1 user(s) / month
  • 50,000 Queries
  • $0.003 / Query


1 user(s) / month
  • 100,000 Queries
  • $0.002 / Query


1 user(s) / month
  • 500,000 Queries
  • $0.0008 / Query


1 user(s) / month
  • 1,000,000 Queries
  • $0.0007 / Query

Plans starting from: $19.95/month Credit card required: N/A

MailboxValidator FAQs

Does MailboxValidator offer multi-user capability (e.g. teams)?

No, it doesn't.

Does MailboxValidator integrate with any other apps?

Mailchimp, and Zapier.

What is MailboxValidator generally used for?

To validates email addresses and remove invalid emails. The clean email list helps to improve deliverability rate and reduce bounce rate.

What platforms does MailboxValidator support?

This is a Web-app.

Who are the main user groups of MailboxValidator?

Internet Marketing Agencies, Merchants, Developers, and Business Owners.

Does MailboxValidator offer an API?

Yes, both Free and Paid.

What are some applications MailboxValidator is commonly used in tandem with?

Often used with ESP.

Does MailboxValidator offer guides, tutorials and or customer support?

Yes, we do.

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MailboxValidator User Reviews

Average User Rating:
4.32/5 based on 57 user ratings.
Your Rating:
User profile picture

"Validating email address simplified"

What do you like about MailboxValidator?

It is an easy to use tool to validate email addresses before we send emails to remove the possibility of bouncing back of emails. It is available on mobile as an application and is also available as web version making it accessible wherever we are. It can check email addresses one by one and also as a bulk of email addresses which can come in a format of .txt or .csv. It even checks if an email address is from disposable email providers, if it has a non existent domain name or if it is from a free email domain. It also detects if an email is for a job position instead of a personal email address. This helps us to ensure deliverability of our emails to our clients.

What do you dislike about MailboxValidator?

For the time I have been using this tool it has never disappointed me and it works very well in validating all sections of an email address whether in bulk or one by one.

What have you been using it for and what problems did MailboxValidator solve?

We validate email addresses to completely remove bouncing of emails from our mailing list. This helps us to reduce costs.

Ease of use
Value for money
Customer service
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