Mail form results (no webform)
function input_request($form, &amp;$form_state) {

    $form['make'] = array(
    '#title' =&gt; t('Car make'),
    '#type' =&gt; 'textfield',
    '#required' =&gt; TRUE,
    );

return $form; //you need this here
}


On order to send it to your mailbox, you will also need a submit button and a submit handler for your form.

Read this, it has good info on how to create, validate, submit, theme drupal forms. http://drupal.org/node/751826

FOr sending email you can use the drupal_mail_send() API or drupal_mail() depending on your Drupal core 

http://api.drupal.org/api/drupal/includes--mail.inc/function/drupal_mail/7. http://api.drupal.org/api/drupal/includes--mail.inc/function/drupal_mail_send/6