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InstaMail Verification for WooCommerce

When it comes to email verification, not all methods are created equal. Don't make your users wait for a code that might never arrive. Verify email quality instantly at entry to boost conversion rates and protect your sender reputation without the friction of traditional methods.
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Third-party subscription required. Learn more

Subscription includes

  • Product updates and improvements
  • Customer support
  • 30-day money-back guarantee

To use this extension, sign up for a Kickbox account.

Benefits:

  • List Cleaning & Integrations: Clean your existing MailPoet subscriber lists with batch verification and automatically unsubscribe invalid addresses. Integrate seamlessly with MailPoet and WPForms to verify emails across your entire WordPress site, not just at checkout.

  • Zero Friction: Unlike OTPs (One-Time Passwords), real-time checks happen in the background, so the user never has to switch tabs or check their inbox.

  • Proactive Prevention: It stops “disposable” or “typo” emails before they enter your database, whereas OTPs only verify that an inbox exists (even if it’s a temporary one).

  • Higher Conversions: By removing the “waiting” step, you reduce the drop-off rate typically seen when users get distracted while waiting for a verification link.

Integrations with MailPoet and WPForms

InstaMail Verification extends beyond WooCommerce checkout and registration to verify emails across your entire WordPress site through powerful integrations:

  • MailPoet Integration: Automatically verify email addresses when users subscribe to MailPoet lists. Verification happens before subscription is completed, preventing invalid emails from entering your lists.
    • Clean your existing lists with the “Clean lists” feature on the MailPoet Lists page—run batch verification on all subscribers and automatically unsubscribe addresses that should be blocked based on your verification settings. Perfect for maintaining clean subscriber lists and improving deliverability rates.
  • WPForms Integration: Verify email addresses submitted through WPForms contact forms, newsletter signups, and other form submissions. Configure which forms and fields to check, ensuring only valid emails are collected through your forms.

Both integrations use the same verification actions and settings as checkout and registration, providing consistent email validation across your entire site. Enable and configure integrations from WooCommerce > Settings > InstaMail Verification > Integrations.

Real-time protection during checkout and account registration

Our extension integrates seamlessly with your WooCommerce checkout process, verifying email addresses as customers enter them. No more waiting for bounce notifications or discovering invalid emails weeks later.

Block invalid emails at checkout with real-time verification
Block invalid emails at checkout with real-time verification
Block invalid emails at account registration with real-time verification
Block invalid emails at account registration with real-time verification

Admin dashboard features:

  • Comprehensive verification statistics
  • Flagged emails management with bulk actions
  • User-friendly settings interface
  • Real-time API connection testing
  • Sandbox mode for testing without using credits

Frequently asked questions

Can I test this without using Kickbox credits?

Yes! This extension includes a sandbox mode that lets you test all functionality without consuming your Kickbox API credits.

Does this work with user registration and checkout?

Yes, the extension verifies emails during both WooCommerce checkout and user registration.

Does this slow down my checkout or registration process?

No, the verification happens asynchronously and typically completes in under 2 seconds. We've optimized the extension to minimize any impact on user experience.

Customer reviews

Extension information

  • PHP version required: 7.4
  • Tested with WordPress: 6.9.1
  • Tested with WooCommerce: 10.5.2
  • Requires at least WordPress: 6.2
  • Requires at least WooCommerce: 10.2

Countries

  • Worldwide

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