integrations · static site generator

A contact form for Eleventy, with no backend to build.

Eleventy compiles templates to plain HTML, so a contact form is one include away: point a standard <form> at your mailcontact endpoint and submissions land in your project's inbox, with a notification in Discord, Slack, email, or a webhook. No serverless function, no mail service, no plugin.

Because it's plain HTML, the same snippet works unchanged in Nunjucks, Liquid, WebC, markdown, or any other template language 11ty renders. Drop it in _includes once and pull it into any page.

Create an account Read the docs

recommended setup

Use the MailContact script with your own design.

Add this HTML to your site, or use the form builder. Replace the form link with yours. The hosted script injects the hidden check, handles sending and automatic verification, and preserves the draft on errors. You control the HTML and CSS. Free forms display a visible “Processed by mailcontact.app” link; Pro and Plus do not. Feedback follows the browser’s language; set data-mailcontact-language="fr" on the form to force French.

contact.html

<form action="https://mailcontact.app/api/forms/your-form-id" method="POST" data-mailcontact-form>
  <fieldset>
    <legend>Contact us</legend>
    <label>
      Name (optional)
      <input name="name" type="text" autocomplete="name" maxlength="200" />
    </label>
    <label>
      Email
      <input name="email" type="email" autocomplete="email" maxlength="320" required />
    </label>
    <label>
      Message
      <textarea name="message" rows="5" maxlength="5000" required></textarea>
    </label>
    <noscript>
    <div aria-hidden="true" style="position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden;">
      <label>Website
        <input name="company_website" type="text" tabindex="-1" autocomplete="off" />
      </label>
    </div>
    </noscript>
    <button type="submit">Send message</button>
  </fieldset>
  <p data-contact-status role="status" aria-live="polite" aria-atomic="true"></p>
</form>
<script defer src="https://mailcontact.app/forms/v1.js" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

For a component with its own submit handler, load the same script and use MailContact.prepare(form) and MailContact.send() instead of the automatic marker. See the custom interface reference for loading, feedback and Free attribution.

the snippet

Alternative: a direct integration for Eleventy.

This example posts directly to the API. Keep the required company_website field present and empty. Native posts open JSON on success or a verification page when needed. Custom scripts without verification support send suspicious messages to Spam for review; strong spam is also held there without notifications or quota usage. A success response confirms reception, including review, or a silent discard of a filled check. See spam protection for the full behavior.

_includes/contact-form.njk

<form action="https://mailcontact.app/api/forms/your-form-id" method="POST">
  <label for="name">Name</label>
  <input type="text" id="name" name="name" />

  <label for="email">Email</label>
  <input type="email" id="email" name="email" required />

  <label for="message">Message</label>
  <textarea id="message" name="message" required></textarea>

  <button type="submit">Send</button>
  <input name="company_website" type="text" tabindex="-1" autocomplete="off"
    style="position:absolute;left:-10000px" aria-hidden="true" />
</form>

how it works

Three steps, start to finish.

Create an inbox

One inbox per project. Name it after your site and you get a form endpoint and a project email address immediately.

Add the include

Save the snippet as _includes/contact-form.njk, then {% include "contact-form.njk" %} on your contact page. It's your markup; style it with your site's CSS.

Get notified

Add a Discord, Slack, email, or webhook channel. Delivered messages ping you where you already are.

why mailcontact

Built to pair well with Eleventy.

Stays a static site

No Netlify Functions, no serverless glue, no eleventy-plugin anything. Your build output is still plain HTML that deploys to any static host.

One snippet, every template language

Nunjucks, Liquid, WebC, markdown: 11ty passes plain HTML through untouched, so the same include works no matter which engine your project uses.

An inbox per 11ty project

Eleventy makes it cheap to spin up small sites. Give each one its own inbox and its own address instead of piping everything into your personal email.

faq

Eleventy + mailcontact, answered

Does an Eleventy contact form need a backend or serverless function?

No. The form posts directly to your mailcontact endpoint, which stores the message and sends your notifications. Your 11ty build stays fully static.

Does this work with any host (GitHub Pages, Netlify, Cloudflare Pages)?

Yes. The endpoint accepts posts from any origin, so it works wherever your Eleventy output is served, including hosts with no form handling of their own like GitHub Pages.

Can I style the form to match my site?

Completely. mailcontact only receives the POST. The markup above is yours, so your existing stylesheet applies. Add classes, rearrange fields, or wrap it in your own layout.

How do I show a success message after someone submits?

Use the hosted MailContact script or MailContact.send() for submission, verification and inline feedback (the endpoint returns JSON). A configurable redirect for native form posts is not currently available.

One inbox for every Eleventy project you ship.

Forms and a real email address, together, with notifications where you live. Start with a free account.

Create your free form

No credit card needed. Free includes one project and 50 form messages per month.