Secure and reliable email validation service to check for invalid email addresses. It connects to the mail server and checks whether the mailbox exists or not. It reduces email bounce rate & costs. It increases conversion rate & sender reputation. MailboxValidator is an easy to use bulk email list cleaning service. All you have to do is upload your email list in either a text or CSV format and just wait for the email validation results. Improve the quality of your email list by identifying invalid email addresses with MailboxValidator email validation solution. Learn how it works. MailboxValidator API is easy to integrate and use. Immediate results for email validation. Results returned in either JSON or XML formats. Samples codes available to ease your integration with the API. More details. Our 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. Role Email Checker Checks if an email address is a role email like admin, support, webmaster or sales. Suppressed Email Checker Checks if an email is in our own Do Not Mail list. 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.

DMARC Enforced Checker Verify the authenticity of the sender's domain. Strict SPF Checker Indicate authorized email servers. Website Exists Checker Check whether the website exists or not. Validates email address for free Improve email marketing strategy by removing bad emails. It is fully automated & FREE. Email Marketers Analyze & validate email list. Sign Up Free Bulk Trial Seamless and quick integration. Sign Up Free API Connect your MailboxValidator account to the most popular platforms. Save your time and get started in 5 minutes. Comprehensive report of domains, good-bad emails, etc. For a successful email marketing campaign Clean your email list & improve your email performance. We are ready to help you master the ways to improve email deliverability & increase conversion. What Our Clients Say About Us Great service, easy to use great results and 5 star service "It does exactly what it says on the tin"! "It does exactly what it says on the tin"! Very fast process and accurate. I definitely recommend this awesome tool for the routine tasks. Thanks! Easy to start. Get it for Free. Validate email addresses? Try it today! Sign Up For Free Validate and clean your email list by detecting disposable emails, invalid emails, mail server and much more. View Complete Integration List Subscribe to our newsletter and stay up to date with the latest news and deals! Copyright © 2013 - 2026 MailboxValidator.com . All Rights Reserved. Privacy Policy | Terms of Service | Cookie Notice