Hi, I am getting a ton of spam to my hosted email account. I am considering getting a proper anti-spam on the server side and my host offers Postini @ per month. Is it worth it? Does it flag loads of legit mail as spam?

Any experiences, please let me know.

I keep getting spam mail. Does anyone know how to scan a spam with anti-virus?

I have McAffee suite and also Spamfighter(free), but in Yahoo E-Mails still get lots of spam. None though using Comcast for mail. So again excellent Anti Spam?