function send_to( $mail ) {
		$mail['subject'] .= ' [' . $mail['to'] . ']';

		if( 'staging' == WP_ENV )
			$mail['to'] = get_option( 'admin_email' );
		else if( defined( 'TP_DEV_MAIL' ) )
			$mail['to'] = TP_DEV_MAIL;
		else
			$mail['to'] = '';

		return $mail;
	}