silverstripe-userforms/code/model/recipients/UserFormRecipientEmail.php

<?php


/**
 * Email that gets sent to the people listed in the Email Recipients when a
 * submission is made.
 *
 * @package userforms
 */

class UserFormRecipientEmail extends Email {

	protected $ss_template = "SubmittedFormEmail";

	protected $data;

	public function __construct($submittedFields = null) {
		parent::__construct($submittedFields = null);
	}

	/**
	 * Set the "Reply-To" header with an email address rather than append as
	 * {@link Email::replyTo} does.
	 *
	 * @param string $email The email address to set the "Reply-To" header to
 	 */
	public function setReplyTo($email) {
		$this->customHeaders['Reply-To'] = $email;
	}
}