This is VERY funny. Reminds me of most things in the Microsoft world. Please note Mac and Linux users do not need this at all!!!
No viruses are spread through email, phishing attacks are sent. But hey if you are dumb enough to click on a link in email and type in the nuclear launch codes, then, there is no hope for you.
In linux, install a SMB server system or just load a Fedora or Ubuntu distribution with, spamassassin, postfix, apache, MySQL and clamavis. This configuration will do MORE than anything you pay for.
So basically this is like buy a TV dinner rather than getting food from the Organic food store.