How does email validation work?

The tool performs real-time SMTP validation to check if an email address can actually receive messages. It connects to the recipient's mail server, verifies the mailbox exists, and checks for catch-all domains and disposable email providers. The process completes in under 200 milliseconds.

What is catch-all detection?

A catch-all domain accepts email for any address, even ones that don't exist (e.g., anything@company.com will be accepted). This makes validation less certain because the server will accept the email regardless. Enrich flags these domains as 'risky' so you can make informed decisions about including them in your outreach.

What is a disposable email?

Disposable emails are temporary email addresses from services like Guerrilla Mail, Mailinator, and TempMail. People use them to avoid spam when signing up for services. Enrich detects over 10,000 disposable email domains and flags them in validation results.

Can I validate emails in bulk?

This free tool validates one email at a time. For bulk validation, the Enrich API supports batch processing of thousands of emails with pay-as-you-go pricing starting at $0.019 per validation. Bulk validation processes run concurrently for fast results.

What's the difference between email validation and email verification?

Email validation and email verification are often used interchangeably. Both refer to the process of checking whether an email address is deliverable. Enrich's validation includes SMTP verification (checking the mail server), syntax validation, domain checks, catch-all detection, and disposable email identification.

Why should I validate emails before sending?

Sending to invalid emails causes bounces, which hurts your sender reputation and email deliverability. According to industry data, email lists decay by 22.5% annually. Regular validation reduces bounce rates, improves inbox placement, and protects your domain reputation with email service providers like Gmail, Outlook, and Yahoo.

Validate any email address

Check if an email is deliverable, risky, or invalid — with catch-all detection and provider info.

What you get

Deliverability check

Verify whether an email address can actually receive messages with real-time SMTP validation.

Catch-all detection

Identify domains that accept mail for any address, so you know when results are less certain.

Risk scoring

Get a clear valid, risky, or invalid verdict with confidence levels to help you decide what to keep.

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Deliverability check

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