ClearBounce Email Verification
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Real-time email verification for WordPress. Block invalid, disposable, and risky email addresses on registration, comments, checkout, and forms.
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