http://clapf.org/wiki/ 2012-05-21T07:07:06+02:00 http://clapf.org/wiki/ http://clapf.org/wiki/lib/tpl/mmkanso/images/favicon.ico text/html 2010-06-28T23:36:28+02:00 http://clapf.org/wiki/doku.php/howto:catching-zombies-with-a-modified-postgrey?rev=1277760988&do=diff Catching zombies with a modified postgrey Dealing with zombies is always a difficult job. Greylisting is an excellent way to fight them. However some people are concerned about the delay the greylisting mechanism introduces. I've managed to modify postgrey to affect only zombie computers. If a regular smtp server connects to you, the modified postgrey lets it through without any delay. Only the zombie computers are greylisted, and given them their chances to prove that I've been wrong. text/html 2010-02-23T22:25:17+02:00 http://clapf.org/wiki/doku.php/howto:claws-mail?rev=1266960317&do=diff How to use spamdrop with claws-mail First of all, make sure you have trained clapf, see Perform the initial training. Add a new filtering rule: you need a filtering condition which runs spamdrop on incoming messages; and an action that has to be performed if the message was recognised as spam. Go to the Filtering Configuration dialog, and type the following in the condition entry field: text/html 2011-07-11T21:50:54+02:00 http://clapf.org/wiki/doku.php/howto:debian_6.0.1_clapf_mysql_clamd?rev=1310413854&do=diff Debian 6.0.1 + clapf + mysql + clamd This howto document provides a step-by-step description to setup a Debian based spam filtering gateway which forwards emails to a mail server, eg. Exchange. Prerequisite: Install a base Debian system Install the required packages Setup the mysql database Tune my.cnf: text/html 2010-02-04T09:16:56+02:00 http://clapf.org/wiki/doku.php/howto:doc1?rev=1265271416&do=diff this is doc1 text/html 2011-05-12T10:10:59+02:00 http://clapf.org/wiki/doku.php/howto:index?rev=1305187859&do=diff Howto documents Debian 6.0.1 + clapf + mysql + clamd Ubuntu 10.04 (Lucid)+clapf+mysql+libclamav Ubuntu 8.04 (Hardy)+clapf+mysql+libclamav performance tuning filtering at home with claws-mail Catching zombies with a modified postgrey text/html 2010-02-17T10:08:31+02:00 http://clapf.org/wiki/doku.php/howto:performancetuning?rev=1266397711&do=diff Performance tuning tips clapf is able to perform well with its default configuration, however you may fine tune it to get even more. * Do not use excessive logging, unless you want to debug something. verbosity=1 * Virusscan only if the email has any attachments. I managed to gain 20% performance. The downside is that you lose clamav's ability to detect lots of phishing emails. always_scan_message=0 text/html 2010-02-04T10:23:19+02:00 http://clapf.org/wiki/doku.php/howto:sendmail_clapf?rev=1265275399&do=diff Sendmail and clapf To use clapf as an SMTP content filter for sendmail you should configure two sendmail instances. Sendmail instance “A” receives emails on port 25/tcp, and forwards them to smtpscanner which forwards to sendmail instance “B” on 192.168.1.121:10026/tcp. text/html 2011-04-03T22:49:23+02:00 http://clapf.org/wiki/doku.php/howto:ubuntu_10.04_lucid_clapf_mysql_libclamav?rev=1301863763&do=diff coming soon... text/html 2011-04-03T18:31:23+02:00 http://clapf.org/wiki/doku.php/howto:ubuntu_8.04_hardy_clapf_mysql_libclamav?rev=1301848283&do=diff Ubuntu Hardy (8.04) +clapf+mysql+libclamav 0. TODO * stat 1. Fejlesztoi library-k installalasa Ubuntu 8.04 a backportsot szukseges hasznalni: deb http://us.archive.ubuntu.com/ubuntu/ hardy-backports main restricted universe multiverse $ apt-get install -y libclamav-dev libmysqlclient15-dev make gcc pwgen clamav-freshclam clamav-daemon libclamav-dev libfile-tail-perl