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From: Victor Forsyuk <force@altlinux.org>
To: ALT Devel discussion list <devel@lists.altlinux.org>
Subject: Re: [devel] ALTLinux и спам
Date: Thu, 11 Jan 2007 16:53:46 +0200
Message-ID: <20070111145346.GA19259@mail.gu.net> (raw)
In-Reply-To: <45A64189.5090308@altlinux.org>

On Thu, Jan 11, 2007 at 04:54:17PM +0300, Alexander Bokovoy <ab@altlinux.org> wrote:
> Konstantin A. Lepikhov wrote:
> > <цитата от="Sergey Y. Afonin">
> >> On Thursday 11 January 2007 17:39, Sergey Y. Afonin wrote:
> >>
> >>> Я думаю, если просто порезать dsl/dialup/разное, уже будет нормально.
> >> и паузу на приветствие секунд 15-20.
> > лучше просто проверять отправителей - у меня это 80-70% спама с master.
> > режет.
> > 
> У меня Слава Диконов регулярно (80-90%) попадает, по мнению серверного
> SpamAssassin, в спам. Например:
> 
> Content analysis details:   (5.0 points, 5.0 required)
> 
>  pts rule name              description
> ---- ----------------------
> --------------------------------------------------
>  0.1 FORGED_RCVD_HELO       Received: contains a forged HELO
>  0.3 RCVD_ILLEGAL_IP        Received: contains illegal IP address
>  3.3 FUZZY_XPILL            BODY: Attempt to obfuscate words in spam
> -0.7 BAYES_20               BODY: Bayesian spam probability is 5 to 20%
>                             [score: 0.1369]
>  0.2 MIME_BASE64_NO_NAME    RAW: base64 attachment does not have a file name
>  1.9 MIME_BASE64_TEXT       RAW: Message text disguised using base64
> encoding
>  1.5 RCVD_IN_SORBS_WEB      RBL: SORBS: sender is a abuseable web server
>                             [85.192.48.174 listed in dnsbl.sorbs.net]
> -1.6 AWL                    AWL: From: address is in the auto white-list

Если на сервере, который принимает почту, есть логин и возможность задавать
spamassassin'у user preferences, то:

- обнулить score для FUZZY_XPILL; это правило регулярно дает false positives
на кириллических текстах.

- поднять себе required_score до хотя бы 7 (как по мне, с дефолтными
правилами 7.5 самое то, честные письма практически не влетают в спам,
дополнительного спама пролазит терпимо...)

При хорошем и вдумчивом тюнинге spamassassin в связке с антиспам-защитой
в exim'овских ACL работает исключительно хорошо. Очень хорошо еще подключить
razor (для любителей + dcc и pyzor).






  parent reply	other threads:[~2007-01-11 14:53 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-11 13:36 Denis Ovsienko
2007-01-11 13:39 ` Sergey Y. Afonin
2007-01-11 13:44   ` Sergey Y. Afonin
2007-01-11 13:47     ` Konstantin A. Lepikhov
2007-01-11 13:48       ` Valery V. Inozemtsev
2007-01-11 13:53         ` Konstantin A. Lepikhov
2007-01-11 13:51       ` Led
2007-01-11 21:27         ` Vitaly Lipatov
2007-01-12 10:48           ` Led
2007-01-12 12:55             ` Konstantin A. Lepikhov
2007-01-11 13:54       ` Alexander Bokovoy
2007-01-11 13:57         ` Konstantin A. Lepikhov
2007-01-11 14:00           ` Alexander Bokovoy
2007-01-11 14:53         ` Victor Forsyuk [this message]
2007-01-23 11:09         ` Vyaheslav Dikonov
2007-01-23 11:25           ` Alexander Bokovoy
2007-01-11 13:58       ` Sergey Y. Afonin
2007-01-11 13:43 ` Led
2007-01-11 14:08   ` Igor Zubkov
2007-01-11 16:36     ` Nick S. Grechukh
2007-01-15 16:25       ` Michael Shigorin
2007-01-11 14:12 ` Alexey Morsov
2007-01-12 11:15 ` Denis Ovsienko
2007-01-12 13:41   ` Dmitry V. Levin
2007-01-12 14:40     ` Victor Forsyuk
2007-01-12 15:29       ` Sergey Vlasov
2007-01-12 22:12         ` Dmitry V. Levin
2007-01-12 16:13     ` Valery V. Inozemtsev
2007-01-12 16:17       ` Dmitry V. Levin
2007-01-12 16:27         ` Valery V. Inozemtsev
2007-01-12 16:42           ` Dmitry V. Levin
2007-01-12 22:22             ` Vitaly Lipatov
2007-01-12 21:28     ` Sergey Y. Afonin
2007-01-12 22:08       ` Dmitry V. Levin
2007-01-12 23:10         ` Sergey Y. Afonin
2007-01-15 14:23           ` Andrei Bulava
2007-01-15 19:48             ` Sergey Y. Afonin
2007-01-12 22:20       ` Vitaly Lipatov
2007-01-12 22:36         ` Dmitry V. Levin
2007-01-12 23:20           ` Vitaly Lipatov
2007-01-13 10:07           ` Sergey Y. Afonin
2007-01-13  9:26         ` Sergey Y. Afonin
2007-01-15 10:46     ` Denis Ovsienko
2007-01-15 10:51       ` Dmitry V. Levin
2007-01-12 14:15   ` Victor Forsyuk

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