MailboxValidator Email Validator

MailboxValidator Email Validator extension is a secure and reliable email validation extension to check for invalid email addresses. It connects to the mail server and checks whether the mailbox exists or not. It help user to reduce email bounce rate & costs, and also increases conversion rate & sender reputation.

Validating spam, temporary emails and stop visitors signing up with fake email address is important to businesses. There will be no more spam, temporary emails or fake email address messing around your site. You don’t have to master the hard part of adding shortcode into page source to use this plugin, but to activate, configure and you’re ready to go! You can use this extension to validate email in various place, including registration, newsletter subscription form, contact form and guest checkout form.

You can sign up for a free API key at, that will provide you to validate up to 300 emails every month for free!

Key Features.

  • Block invalid email.
  • Block disposable email.
  • Block free email.
  • Block role email.

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Single Installation License


Single installation, is for use by single site or one copy of application using this extension


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Member since Jun 03, 2014

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Extension ID: mailboxvalidator
Extension Latest Version: 1.1.0
AbanteCart Version: 1.2+, 1.3+
Created: Mar 19, 2021
Last updated: Dec 19, 2023