diff --git a/includes/class-settings.php b/includes/class-settings.php
index aefaf73..57a3505 100644
--- a/includes/class-settings.php
+++ b/includes/class-settings.php
@@ -93,6 +93,75 @@ class Umzugsliste_Settings {
 				'default'           => home_url(),
 			)
 		);
+
+		// Add Email Settings section
+		add_settings_section(
+			'umzugsliste_email_section',
+			'Email-Einstellungen',
+			array( $this, 'render_email_section_description' ),
+			'umzugsliste_settings'
+		);
+
+		// Add receiver email field
+		add_settings_field(
+			'umzugsliste_receiver_email',
+			'Empfänger-E-Mail',
+			array( $this, 'render_receiver_email_field' ),
+			'umzugsliste_settings',
+			'umzugsliste_email_section'
+		);
+
+		// Add Captcha Settings section
+		add_settings_section(
+			'umzugsliste_captcha_section',
+			'Captcha-Einstellungen',
+			array( $this, 'render_captcha_section_description' ),
+			'umzugsliste_settings'
+		);
+
+		// Add captcha provider field
+		add_settings_field(
+			'umzugsliste_captcha_provider',
+			'Captcha-Anbieter',
+			array( $this, 'render_captcha_provider_field' ),
+			'umzugsliste_settings',
+			'umzugsliste_captcha_section'
+		);
+
+		// Add captcha site key field
+		add_settings_field(
+			'umzugsliste_captcha_site_key',
+			'Site Key',
+			array( $this, 'render_captcha_site_key_field' ),
+			'umzugsliste_settings',
+			'umzugsliste_captcha_section'
+		);
+
+		// Add captcha secret key field
+		add_settings_field(
+			'umzugsliste_captcha_secret_key',
+			'Secret Key',
+			array( $this, 'render_captcha_secret_key_field' ),
+			'umzugsliste_settings',
+			'umzugsliste_captcha_section'
+		);
+
+		// Add Form Settings section
+		add_settings_section(
+			'umzugsliste_form_section',
+			'Formular-Einstellungen',
+			array( $this, 'render_form_section_description' ),
+			'umzugsliste_settings'
+		);
+
+		// Add thank you URL field
+		add_settings_field(
+			'umzugsliste_thankyou_url',
+			'Danke-Seite URL',
+			array( $this, 'render_thankyou_url_field' ),
+			'umzugsliste_settings',
+			'umzugsliste_form_section'
+		);
 	}
 
 	/**
@@ -102,6 +171,95 @@ class Umzugsliste_Settings {
 		return sanitize_text_field( trim( $value ) );
 	}
 
+	/**
+	 * Email section description
+	 */
+	public function render_email_section_description() {
+		echo '<p>Konfigurieren Sie die E-Mail-Adresse für Formularanfragen.</p>';
+	}
+
+	/**
+	 * Captcha section description
+	 */
+	public function render_captcha_section_description() {
+		echo '<p>Wählen Sie einen Captcha-Anbieter zum Schutz vor Spam.</p>';
+	}
+
+	/**
+	 * Form section description
+	 */
+	public function render_form_section_description() {
+		echo '<p>Konfigurieren Sie das Verhalten des Formulars.</p>';
+	}
+
+	/**
+	 * Render receiver email field
+	 */
+	public function render_receiver_email_field() {
+		$value = get_option( 'umzugsliste_receiver_email', '' );
+		?>
+		<input type="email" name="umzugsliste_receiver_email" value="<?php echo esc_attr( $value ); ?>" class="regular-text" required />
+		<p class="description">Die E-Mail-Adresse, an die Formularanfragen gesendet werden.</p>
+		<?php
+	}
+
+	/**
+	 * Render captcha provider field
+	 */
+	public function render_captcha_provider_field() {
+		$value = get_option( 'umzugsliste_captcha_provider', 'none' );
+		?>
+		<select name="umzugsliste_captcha_provider" id="umzugsliste_captcha_provider">
+			<option value="none" <?php selected( $value, 'none' ); ?>>Kein Captcha</option>
+			<option value="recaptcha_v2" <?php selected( $value, 'recaptcha_v2' ); ?>>reCAPTCHA v2</option>
+			<option value="recaptcha_v3" <?php selected( $value, 'recaptcha_v3' ); ?>>reCAPTCHA v3</option>
+			<option value="hcaptcha" <?php selected( $value, 'hcaptcha' ); ?>>hCaptcha</option>
+		</select>
+		<p class="description">Wählen Sie einen Captcha-Dienst oder deaktivieren Sie Captcha.</p>
+		<?php
+	}
+
+	/**
+	 * Render captcha site key field
+	 */
+	public function render_captcha_site_key_field() {
+		$value    = get_option( 'umzugsliste_captcha_site_key', '' );
+		$provider = get_option( 'umzugsliste_captcha_provider', 'none' );
+		$display  = ( 'none' === $provider ) ? 'none' : 'block';
+		?>
+		<div id="captcha_site_key_wrapper" style="display: <?php echo esc_attr( $display ); ?>;">
+			<input type="text" name="umzugsliste_captcha_site_key" value="<?php echo esc_attr( $value ); ?>" class="regular-text" />
+			<p class="description">Der Site Key von Ihrem Captcha-Anbieter.</p>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Render captcha secret key field
+	 */
+	public function render_captcha_secret_key_field() {
+		$value    = get_option( 'umzugsliste_captcha_secret_key', '' );
+		$provider = get_option( 'umzugsliste_captcha_provider', 'none' );
+		$display  = ( 'none' === $provider ) ? 'none' : 'block';
+		?>
+		<div id="captcha_secret_key_wrapper" style="display: <?php echo esc_attr( $display ); ?>;">
+			<input type="text" name="umzugsliste_captcha_secret_key" value="<?php echo esc_attr( $value ); ?>" class="regular-text" />
+			<p class="description">Der Secret Key von Ihrem Captcha-Anbieter.</p>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Render thank you URL field
+	 */
+	public function render_thankyou_url_field() {
+		$value = get_option( 'umzugsliste_thankyou_url', home_url() );
+		?>
+		<input type="url" name="umzugsliste_thankyou_url" value="<?php echo esc_attr( $value ); ?>" class="regular-text" />
+		<p class="description">Die URL, zu der nach erfolgreicher Formularübermittlung weitergeleitet wird.</p>
+		<?php
+	}
+
 	/**
 	 * Render settings page
 	 */
@@ -122,6 +280,21 @@ class Umzugsliste_Settings {
 				?>
 			</form>
 		</div>
+		<script>
+		(function() {
+			const providerSelect = document.getElementById('umzugsliste_captcha_provider');
+			const siteKeyWrapper = document.getElementById('captcha_site_key_wrapper');
+			const secretKeyWrapper = document.getElementById('captcha_secret_key_wrapper');
+
+			function toggleCaptchaFields() {
+				const isNone = providerSelect.value === 'none';
+				siteKeyWrapper.style.display = isNone ? 'none' : 'block';
+				secretKeyWrapper.style.display = isNone ? 'none' : 'block';
+			}
+
+			providerSelect.addEventListener('change', toggleCaptchaFields);
+		})();
+		</script>
 		<?php
 	}