Antispam settings.

I have just returned to Norton 360 and installed it on a Windows 8.1 laptop.  I recall that in my previous experience it was possible to configure the text inserted in the subject line of an email detected as spam, but now all I can find in antispam settings is whitelist, blacklist etc.  Can I define this text?  My email client is Forte Agent (ie not 'integrated').

Thanks in anticipation.