Chapter 1 What’s New for FortiOS 5.0 : Firewall : Changes to security proxy options : Common options, web options and email options
  
Common options, web options and email options
Here you can configure client comforting, whether to block oversized files or email, and whether or not to allow invalid SSL certificates.
Web options include enabling chunked by pass and adding the Fortinet bar (see “Fortinet Top Bar”).
Email options include allowing fragmented messages and appending a signature to all SMTP email messages.
Figure 77: Configuring common options, web options and email options