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:

1. A visitor submits a form with an email address
2. ClearBounce verifies the email in real-time (SMTP check, MX records, disposable detection, etc.)
3. If the email fails your configured rules, the form shows a friendly error message
4. 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