I have updated the SARE rules... how often should I update them ? Daily ?
On Thu, 2008-10-23 at 23:19 -0700, SM wrote: > At 16:56 23-10-2008, Luis Croker wrote: > > I have a mail server with FreeBSD 7.0, > > postfix+amavis-new+spamassassin. We are an ISP and I need to > > filter the spam that our susbribers are sending to internet, the > > PCs have some malware or are botnets. These PCs generates a lot of > > spam each day. > > > > The server filters a los of Spam but some times the queue is so > > crowded. I have to questions... > >Do you have any recomendation to improve the performance on the server ?? > > http://wiki.apache.org/spamassassin/FasterPerformance > > >How can I catch more spam than the seerver is filtering ? The server > >blocks many messages but another spam messages goes to internet > >cause the score does not reach the parameters to be blocked. > > If you are running an old version of SpamAssassin, update it. Run > sa-update to keep the rules updated. > > Analyze SMTP traffic to detect any signs of abuse and quarantine > these hosts. You may have to reach out to the customers and help > them clean infected hosts. Use the feedback from your abuse > department. You can also get feedback from anti-abuse groups and > subscribe to feedback loops. Identify the spam messages not reaching > the threshold and add rules to catch them. > > Regards, > -sm > > Luis Croker SCSA - SCNA Administrador de Sistemas Megacable Comunicaciones GPG Key1024D/48C1764B Key fingerprint = E8B6 E84F ECE4 661E 30C7 7208 042D BD09 48C1 764B
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