CMS Platforms
Email checker for CMS platforms. WordPress, Drupal email verification integration guides.
Protect your website and user accounts by verifying email addresses. Whether you're using WordPress or another CMS, we provide guides for integrating email verification.
Supported Platforms
WordPress Use Cases
User Registration
Verify emails when users create new accounts on your site.
Benefits:
- Reduce spam registrations
- Ensure valid user contact information
- Prevent account takeover
- Improve user data quality
Comment Moderation
Verify commenter emails before posting.
Benefits:
- Reduce spam comments
- Ensure valid commenter info
- Better community management
- Easier contacting commenters
Contact Form Submissions
Validate contact form emails to ensure you can reach visitors.
Benefits:
- Only receive valid contact requests
- Reduce lost inquiry opportunities
- Better follow-up capability
- Cleaner lead database
Newsletter Subscriptions
Maintain a clean email list for WordPress newsletters.
Benefits:
- Higher newsletter deliverability
- Better open rates
- Reduced bounce handling
- Cleaner subscriber database
Member Portals
Verify member email addresses for secure account access.
Benefits:
- Ensure member account security
- Valid confirmation email delivery
- Better member communication
- Account recovery reliability
Implementation Approaches
1. WordPress Plugin
Use a dedicated EmailVerify WordPress plugin (if available).
Advantages:
- No coding required
- Visual configuration
- One-click setup
- Automatic updates
Best for: Non-technical users, standard implementations
2. Custom PHP
Add verification directly to WordPress core files.
add_filter('registration_errors', function($errors, $sanitized_user_login, $user_email) {
$verification = emailverify_verify_email($user_email);
if ($verification['status'] === 'invalid') {
$errors->add('invalid_email', 'The email address is invalid');
}
return $errors;
}, 10, 3);Advantages:
- Full control
- No dependencies
- Custom logic
- Better integration
Best for: Developers, custom implementations
3. Contact Form Integration
Integrate with popular contact form plugins.
Supported plugins:
- Contact Form 7
- WPForms
- Gravity Forms
- Formidable Forms
- Ninja Forms
4. Member Plugin Integration
Integrate with membership and user management plugins.
Supported plugins:
- MemberPress
- Paid Memberships Pro
- Ultimate Member
- WP User Manager
Best Practices
1. Use Hooks and Filters
Extend WordPress functionality without editing core files:
// User registration
add_filter('wp_pre_insert_user_data', 'verify_user_email');
// Comment submission
add_filter('preprocess_comment', 'verify_comment_email');
// Contact form
add_filter('wpcf7_validate_email', 'verify_contact_email');2. Cache Verification Results
Store results in WordPress options or transients:
function verify_email_with_cache($email) {
$cache_key = 'email_verify_' . md5($email);
$cached = get_transient($cache_key);
if ($cached) {
return $cached;
}
$result = emailverify_verify($email);
set_transient($cache_key, $result, DAY_IN_SECONDS);
return $result;
}3. Handle Errors Gracefully
If verification service is unavailable, allow registration:
try {
$result = verify_email($email);
} catch (Exception $e) {
// Log error but don't block registration
error_log('Email verification failed: ' . $e->getMessage());
// Continue with registration
}4. Provide User Feedback
Give users clear messages about email validity:
if ($verification['status'] === 'invalid') {
wp_die('Please enter a valid email address');
} elseif ($verification['result']['disposable']) {
// Warning but allow continuation
$warning = 'This email appears to be temporary';
}5. Monitor and Log
Track email verification for quality assurance:
// Log verification results
error_log(json_encode([
'email' => $email,
'status' => $result['status'],
'score' => $result['score'],
'timestamp' => current_time('mysql')
]));Common WordPress Scenarios
Scenario 1: Verify Registration Only
Only verify emails during user registration, not profile updates:
add_filter('registration_errors', function($errors, $login, $email) {
if (!isset($_POST['user_login'])) {
// Only during registration, not admin updates
$result = verify_email($email);
if ($result['status'] === 'invalid') {
$errors->add('invalid_email', 'Invalid email address');
}
}
return $errors;
}, 10, 3);Scenario 2: Soft Verification
Warn users about risky emails but don't block:
$result = verify_email($email);
switch ($result['status']) {
case 'invalid':
$this->add_warning('This email appears invalid. Please double-check.');
break;
case 'unknown':
$this->add_notice('We couldn\'t verify this email.');
break;
}
// Allow registration to proceedScenario 3: Admin Review
Flag suspicious emails for admin review:
if ($result['status'] === 'unknown' || $result['result']['disposable']) {
// Create user but mark for review
$user = wp_insert_user($user_data);
// Add admin note
add_post_meta(
$user->ID,
'_email_verification_flag',
$result,
true
);
// Notify admin
wp_mail(
get_option('admin_email'),
'New user requires review: ' . $email,
'Email verification result: ' . json_encode($result)
);
}