ClearBounce Email Verification

ClearBounce Email Verification validates email addresses in real-time using the ClearBounce email verification API. Stop fake signups, reduce bounces, and protect your sender reputation.

Key Features:

• Real-time email verification via SMTP-level checks

• Block undeliverable, disposable, role-based, and risky emails

• Typo detection with “Did you mean…?” suggestions

• Smart caching to minimize API calls

• Fail-open design ensures forms always work, even during API outages

• Detailed verification logs and statistics

• Customizable error messages

• Works with WordPress registration, comments, and all major form plugins

Supported Integrations:

• WordPress Registration

• WordPress Comments

• WooCommerce (checkout and registration)

• Contact Form 7

• Gravity Forms

• WPForms

• Elementor Pro Forms

• Ninja Forms

• Fluent Forms

• Fallback mode (hooks into is_email for universal coverage)

How It Works:

• A visitor submits a form with an email address

• ClearBounce verifies the email in real-time (SMTP check, MX records, disposable detection, etc.)

• If the email fails your configured rules, the form shows a friendly error message

• Valid emails pass through normally with zero friction

What ClearBounce Checks:

• Email syntax validation

• MX record verification

• SMTP mailbox verification

• Disposable email detection

• Role-based email detection (info@, admin@, etc.)

• Free email provider detection

• Catch-all domain detection

• Typo detection with smart suggestions