Re: [courier-users] Spam filtering

Bowie Bailey wrote:

>From: Pupeno [mailto:pupeno@pupeno.com]
>
>
>>I'm considering putting a spam filtering on my server.
>>Which one do you recommend ?
>>It is a full courier server and I'd like to be able to train the filter by
>>putting messages on some folder, like Spam, of each imap account. Would
>>
>>
>you
>
>
>>recommend bogofilter ? it's the one I'm considering since I'm worried
>>
>>
>about
>
>
>>the performance hit of spamassasin.
>>
>>
>
>What performance hit? As long as you use spamd/spamc instead of calling
>spamassassin directly, you don't have the perl startup overhead each time.
>Spamd runs continuously and scans the files given to it by spamc.
>
>I would recommend SpamAssassin. It is fast, accurate, customizable, and
>constantly being updated to catch the latest spams.
>
>

Spmasassassin has a fairly large performance impact. I know it has
gotten one of my servers on it's knees. Now given modern hardware and
not to much email, it's entirely workable and works like a charm. If
either of those premisses is not met, better be prepared to do some
tuning. Basically things went better by setting maxdels to 1 in local,
because spamd seems to be more efficient if everything is batched as
opposed to working in parallel.

Just my E0.02
M4



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