Mailfix

<p>Mailfix Contact Forms adds a WordPress-native contact form builder with saved submissions, notification emails, spam protection, and a clear admin workflow.</p>
<p>Watch a short overview of Mailfix Contact Forms:</p>
<p><span class="embed-youtube" style="text-align:center; display: block;"><iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/4jTuRyrO8W0?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe></span></p>
<p>Main features:</p>
<ul>
<li>Form field builder with live appearance preview.</li>
<li>AJAX form submissions.</li>
<li>Gutenberg block for inserting forms.</li>
<li>Stored messages with unread/read, archive, and trash views.</li>
<li>Admin email notifications and optional thank-you emails.</li>
<li>GDPR/privacy consent checkbox with editable text and privacy policy link.</li>
<li>HTML email templates with editable content.</li>
<li>Mail logs with readable HTML previews.</li>
<li>Custom SMTP settings for better deliverability.</li>
<li>Honeypot protection, minimum submit time, rate limiting, optional Google reCAPTCHA v3, and blocked spam counters.</li>
<li>CSV export for one form or all forms.</li>
<li>Form appearance controls, including colors, field size, button alignment, and border radius.</li>
</ul>
<p>Additional features are available in a separate Mailfix Pro add-on from mailfix.cz. This WordPress.org plugin is fully functional on its own.</p>
<h3>External services</h3>
<h4>Google reCAPTCHA</h4>
<p>This plugin can optionally use Google reCAPTCHA v3 for spam protection when the site administrator enables reCAPTCHA and enters Google reCAPTCHA keys in the plugin settings.</p>
<p>When reCAPTCHA is enabled for a form, the plugin loads the Google reCAPTCHA script from <code>www.google.com</code> on pages where that form is displayed. When a visitor submits the form, the plugin sends the reCAPTCHA response token, the configured secret key, and the visitor IP address to Google’s <code>siteverify</code> endpoint to validate the submission. The plugin also offers an administrator-only secret key check that sends the configured secret key and a test response token to Google.</p>
<p>Google reCAPTCHA is provided by Google LLC. Terms: https://policies.google.com/terms Privacy Policy: https://policies.google.com/privacy</p>


Mailfix Contact Forms

Secure contact form with a visual form builder, AJAX submissions, stored messages, email notifications, mail logs, SMTP settings, and CSV export.

Aamir Sahil

<p><a href="https://webkernelai.com" rel="nofollow ugc">WebKernelAI</a> is a Technical SEO and Website Security platform. WebKernelAI Advanced Form Builder is a modern WordPress form plugin built for developers, agencies, businesses, and production websites requiring scalable, secure, and performance-focused form handling.</p>
<p>Official Website:<br />
https://webkernelai.com</p>
<p>Plugin Page:<br />
https://webkernelai.com/plugins/advanced-form-builder/</p>
<p>Documentation:<br />
https://webkernelai.com/docs/form-builder/</p>
<p>Unlike traditional form plugins that rely heavily on <code>postmeta</code>, WebKernelAI Advanced Form Builder uses dedicated database tables, optimized AJAX workflows, and scalable schema-driven form management.</p>
<h3>Core Features</h3>
<ul>
<li>drag & drop form builder</li>
<li>visual column layout configurations (widths: 25%, 33%, 50%, 100%)</li>
<li>AJAX-powered frontend submissions</li>
<li>custom database tables for forms and entries</li>
<li>secure file upload handling</li>
<li>SMTP email support</li>
<li>email notification system</li>
<li>user confirmation emails</li>
<li>email logging system</li>
<li>CSV export support</li>
<li>Google reCAPTCHA v2 & v3</li>
<li>inline validation errors</li>
<li>dynamic field management</li>
<li>custom thank-you messages</li>
<li>shortcode-based form rendering</li>
<li>per-form custom CSS and JavaScript support</li>
<li>scalable admin entries management</li>
<li>extensible hook-based architecture</li>
</ul>
<h3>Supported Field Types</h3>
<ul>
<li>Text</li>
<li>Email</li>
<li>Number</li>
<li>Phone</li>
<li>Textarea</li>
<li>Select</li>
<li>Radio</li>
<li>Checkbox</li>
<li>Checkbox Group</li>
<li>Date</li>
<li>Hidden</li>
<li>Rating</li>
<li>File Upload</li>
<li>Terms & Conditions</li>
</ul>
<h3>Built for Performance</h3>
<p>WebKernelAI Advanced Form Builder is designed for performance-focused WordPress websites.</p>
<p>Performance optimizations include:</p>
<ul>
<li>custom indexed database tables</li>
<li>optimized AJAX request handling</li>
<li>assets loaded only when forms exist</li>
<li>lightweight frontend rendering</li>
<li>scalable entry storage architecture</li>
<li>efficient admin pagination</li>
<li>no unnecessary postmeta usage</li>
</ul>
<p>The plugin is suitable for production and high-traffic environments.</p>
<h3>Security Features</h3>
<p>Security-focused architecture includes:</p>
<ul>
<li>nonce validation</li>
<li>honeypot spam protection</li>
<li>Google reCAPTCHA integration</li>
<li>secure file upload validation</li>
<li>sanitized frontend rendering</li>
<li>prepared SQL queries</li>
<li>strict validation pipeline</li>
<li>secure AJAX request handling</li>
<li>PHPCS/WPCS-compliant practices</li>
</ul>
<h3>SMTP & Email System</h3>
<p>The plugin includes built-in SMTP support without requiring external SMTP plugins.</p>
<p>Supported configuration includes:</p>
<ul>
<li>SMTP host</li>
<li>SMTP port</li>
<li>encryption support</li>
<li>SMTP authentication</li>
<li>localhost support</li>
<li>production server compatibility</li>
</ul>
<p>Email system features:</p>
<ul>
<li>admin notifications</li>
<li>user confirmation emails</li>
<li>dynamic email variables</li>
<li>email template editor</li>
<li>email logging</li>
<li>delivery failure tracking</li>
</ul>
<p>Email delivery failures do not prevent entry storage.</p>
<h3>Entries Management</h3>
<p>The entries system is optimized for scalability.</p>
<p>Features include:</p>
<ul>
<li>AJAX-powered entries listing</li>
<li>server-side pagination</li>
<li>fast entry searching</li>
<li>entry detail views</li>
<li>secure file downloads</li>
<li>CSV export support</li>
</ul>
<p>The interface remains responsive even with large datasets.</p>
<h3>Developer Friendly Architecture</h3>
<p>Developer-focused features include:</p>
<ul>
<li>modular architecture</li>
<li>clean OOP codebase</li>
<li>action & filter hooks</li>
<li>extensible validation pipeline</li>
<li>extensible email variables</li>
<li>add-on ready structure</li>
<li>no forced frontend design system</li>
</ul>
<h3>Official WebKernelAI Platform</h3>
<p>WebKernelAI provides integrated Technical SEO and Website Security tools for WordPress websites and modern web applications.</p>
<p>Platform capabilities include:</p>
<ul>
<li>Technical SEO Audit</li>
<li>Crawl Intelligence</li>
<li>JavaScript Vulnerability Scanner</li>
<li>Website Malware Scanner</li>
<li>Security Header Analysis</li>
<li>SEO Metadata Synchronization</li>
<li>Website Security Monitoring</li>
</ul>
<p>Official platform:<br />
https://webkernelai.com</p>
<h3>Privacy</h3>
<p>WebKernelAI Advanced Form Builder respects user privacy.</p>
<p>The plugin:</p>
<ul>
<li>does not store email body content in logs</li>
<li>stores only necessary submission data</li>
<li>supports WordPress personal data export tools</li>
<li>supports WordPress personal data erase tools</li>
<li>does not include external tracking systems</li>
</ul>
<h3>External Services</h3>
<p>This plugin integrates with Google reCAPTCHA for spam protection.</p>
<p>What the service does:</p>
<ul>
<li>validates form submissions to help prevent spam and abuse</li>
</ul>
<p>What data may be sent:</p>
<ul>
<li>user IP address</li>
<li>browser/device information</li>
<li>interaction signals required for verification</li>
</ul>
<p>Service Provider:<br />
Google LLC</p>
<p>Terms:<br />
https://policies.google.com/terms</p>
<p>Privacy Policy:<br />
https://policies.google.com/privacy</p>


WebKernelAI – Advanced Form Builder

Professional-grade WordPress form builder with custom database tables, AJAX, SMTP support, and production-focused performance.

Mailfix Contact Forms vs WebKernelAI – Advanced Form Builder