Quote:
Originally Posted by inigoml Training with spam is a good policy. However, spammers are changing the way to send spam. At this moment, you will receive a lot of spam containing images. Training is not useful for this spam, since bayesian filters cannot be trained with images. There is a plugin for "OCRing" images, but it's very CPU intensive. |
But working nicely, I'm using it (with MailCleaner) for my non-zimbra mail accounts.
Quote:
Originally Posted by inigoml I suggest to implement a greylist based system. It's really IMPRESSIVE how spam will decrease. There is a SQLGrey tutorial at wiki. I've not tested with SQLGrey because our perimeter mail servers uses postfix-gld service, but it's the same thing. |
Using it with MailCleaner too.
And I'll add it to the Zimbra servers at the same moment than the trained .spammassassin