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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.
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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.

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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.

Checks email syntax Email Syntax Checker
Validates that the email address conforms to a standard format.

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

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

Checks for greylisting Email Greylisting Checker
Checks if the mail server uses spam trap as honeypot.

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

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

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

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

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

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

Supports Single Validation Single Validation Supported
Validate a single email immediately.

Free Trial Plan Free Bulk Trial
Free bulk trial plan with 100 credits.

Improve email marketing strategy by removing bad emails.
It is fully automated & FREE.

Free trial for bulk email validation
Email Marketers
Analyze & validate email list.

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Free email validation API for web developer
Seamless and quick integration.

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