Email Validator

Who It's For

Sales teams – Stop wasting outreach on dead addresses

Marketers – Clean lists before campaigns to protect sender reputation

Recruiters – Verify candidate emails are still active

Founders – Validate investor and partner contacts before reaching out

Real-time verification

99%+ accuracy with syntax, DNS, MX, and mailbox verification.

Quality scoring

Returns high, medium, or low quality ratings.

Bulk processing

Validate unlimited emails per run.

Smart detection

Identifies catch-all, disposable, and free providers. Catches typos like gmial.com → gmail.com.

What We Check

Every email runs through multiple verification steps:

• Syntax validation - Confirms proper email format
• Domain & DNS - Verifies the domain exists and is active
• MX records - Confirms the domain can receive mail
• Mailbox check - Tests if the specific address accepts mail
• Typo detection - Catches common mistakes like gmial.com → gmail.com

Sample Output

Column	Example
email	[email protected]
email_quality	high
email_result	valid
subresult	accepted_email
free	false

Works With Your Stack

API available for real-time verification. Integrate with your CRM or forms via our API.

Understanding Your Results - What Each Column Means

Email Status

valid - Confirmed deliverable. Safest to send to.
valid_catch_all - The domain accepts all emails, so we can't confirm this specific address exists. Riskier for cold email.
invalid - Email not found or rejected by the mail server. Do not send.
unknown - Could not be verified (server didn't respond or timed out). Use with caution.
disposable - Temporary email address that will expire. Do not send.

For cold email, we recommend sending to valid only.

Enrichment Columns

sc_validation_message - Detail on why the email got its status.
sc_is_catch_all - Whether the domain accepts all emails (true/false).
sc_mx_record - The domain's mail server record.
sc_mx_provider - Email provider (e.g. Google Workspace, Outlook).
sc_mx_security_gateway - Whether a security gateway like Barracuda or Mimecast is in front.
sc_company_name / industry / size / founded / location - Company data associated with the email domain.
sc_company_linkedin / facebook / twitter - Company social media profiles.
sc_company_type - Type of company (e.g. private, public, nonprofit).

FAQ

What is email validation?

Email validation confirms whether an address exists and can receive mail. It prevents bounces, protects your sender reputation, and keeps you off blacklists.

What's a catch-all domain?

A catch-all domain accepts mail to any address, even ones that don't exist. We flag these so you know delivery isn't guaranteed.

What happens to hard bounces?

Hard bounces occur when an email permanently fails-the address doesn't exist or the domain is invalid. Sending to these damages your sender reputation and can get you blacklisted.

Should I remove all invalid emails?

Yes. Removing invalid and disposable addresses before sending improves deliverability, lowers costs, and protects your domain reputation.

How It Works