samotsvety.org/.subscribe/index.html

<form method="post" action="https://listmonk.nunosempere.com/subscription/form" class="listmonk-form">
    <div>
            <h3>Subscribe</h3>
            <input type="hidden" name="nonce" />
            <p><input type="email" name="email" required placeholder="E-mail" class="subscribe-input" /></p>
            <p><input type="text" name="name" placeholder="Name (optional)" class="subscribe-input" /></p>
          
            <p>
              <input id="8b4b1" type="checkbox" name="l" checked value="8b4b1b32-7df5-4ccb-a99e-60edd4f4b40c" />
              <label for="8b4b1" style="font-size: 18px">samotsvety.org</label>
            </p>

        <p><input type="submit" value="Subscribe" class="subscribe-button"/></p>
    </div>
</form>