Anti-spam

[Bernhard Reiter]

On Thursday 12 August 2004 05:38, Bradley M Alexander wrote:
> I'm running into a problem that has revealed itself in the past week. I
> installed Kolab server and used the instructions Ian (?) posted several
> months ago to deploy SpamAssassin. Things worked great until last week.
>
> The problem is that last week, my ISP spent a lot of its time down. Every
> time it came back up, my email was forwarded to my mailserver, but every
> time, the load average goes to 34+ and stays there for hours as
> spamassassin brings the box to its knees.

From your description you could have been hit by a
spamassassin Denial of Service Attack:
http://lwn.net/Vulnerabilities/97203/

>  Also, I have noticed that hte
> automatic training doesn't seem to work too well. Before I deployed Kolab,
> I was using SpamAssassin (in daemon mode) in addition to BogoFilter.
>
> My question to the group is whether anyone has deployed any other antispam
> tools and if they had a howto?
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