[SOLVED] Spam filter for Zimbra

[jayarajmohan]

I am using Zimbra 6 opensource edition.

Am I need to use any external tool for filtering spam or the anti-spam of Zimbra is enough for this process..

?

Thanks ..

[Krishopper]

The internal one should be adequate, if you're willing to train it by clicking the junk/not junk icons while using webmail.

There's also a Wiki page on improving the antispam