A Free Anti-Virus and Anti-Spam Filter for Mail Servers

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2
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0answers
897 views

MailScanner stuck in endless loop

I'm trying to install MailScanner and it seems to be stuck in a infinite loop. It scans the same messages and when it's done, it doesn't requeue them into postfix: May 3 14:58:13 marine ...
1
vote
2answers
797 views

CentOS: what is blocking the port?

I am rather new to Linux and trying to set up a MailScanner box. I went as far as to set it up with postfix and succeeded sending a test message via it from the local console. However, when I try to ...
1
vote
4answers
1k views

SpamAssassin trying to read config files under /root/

I have mail gateway servers configured to use MailScanner + Postfix + SpamAssassin as described here, along with MailWatch as a web front end. When sa-learn is run from MailWatch (it's run as the ...
1
vote
1answer
2k views

Mailscanner & Postfix: HOLD everything except messages with a custom header

ATM I'm using the normal method to put all messages on HOLD to pass them from postfix to MailScanner as described on http://www.mailscanner.info/postfix.html: In the Postfix configuration file ...
1
vote
2answers
913 views

Messages released from MailScanner quarantine are marked as DUPLICATEDELIVER in Exchange 2007

I have installed Postfix with MailScanner on CentOS 5.4 as a smarthost for Exchange 2007. When a message gets quarantined and I later release it ...
1
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0answers
18 views

monitoring mailscanner queue with zabbix

Anoyne knows how to setup zabbix monitoring for mailscanner queue ? We managed to setup monitoring for exim queue, but we noticed that mailscanner also fills its queue sometimes and we would like ...
1
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0answers
35 views

incoming mail with low score, but count as spam?

my Centos server currently running spamassassin to filter spam email, it work together with mailscanner, it work fine before but suddently got a problem: Nov 15 16:12:02 main MailScanner[4079]: ...
1
vote
2answers
316 views

Edit exim4 Message-ID for releasing blocked mail by Mailscanner

Our sysadmin team edits the field Message-ID in exim4 header files (ending with -H) and substitues the first char after "<". e.g: 077I Message-ID: ...
1
vote
0answers
247 views

How do I configure MailScanner to use a remote clamd?

I decided to decrease the workload on my mail gateway by moving anti-virus processing to a separate server. I created the server, installed clamav-daemon on it, and tested it by running clamdscan from ...
0
votes
1answer
2k views

Mailscanner and amavisd-new comparison

I'm going to implement a mailfiltering gateway for my company. I'm going to use Postfix, with a PostgreSQL back-end. The question would be: how to best implement the antispam measures. Mailscanner ...
0
votes
2answers
174 views

Filter messages in Mailscanner based on 'From:' header

I created a blacklist rule to filter out messages: From: *@job.com yes It works, partly, except that part of those messages are sent with a return-path other than job.com. I Googled a bit and ...
0
votes
1answer
155 views

Plesk and MailScanner

Plesk has spam filtering features using SpamAssassin you can buy. But I was wondering, what if I just install Mailscanner? I mean, MailScanner installs itself in the postfix/exim/qmail pipeline and ...
0
votes
0answers
16 views

Postfix trigger script breaking messages

I am trying to intercept messages coming in, run a script on them, and pass them on to MailScanner. For now the script simply reads the message into a file, but when I place that file into ...
0
votes
1answer
53 views

postfix sender_access does not reject

I am trying to stop spam from one sender. They each time uses another mail server. here is headers from original email (i replaced my email and host with: my-email@my-domain.com, sender email and host ...
0
votes
0answers
27 views

mailscanner disarm or rewrite email body url's

Is it possible to rewrite body URL's in email with Mailscanner. I get some spam in Latvian in witch they put link to EXE file. Link always points to Latvian file sharing service. So i want to rewrite ...
0
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0answers
54 views

MailScanner doesn't block ZIP files

even if asked to. Here's a cut of my config: MailScanner.conf Filename Rules = %etc-dir%/filename.rules %etc-dir%/filename.rules From: 127.0.0.1 /etc/MailScanner/filename.rules.allowall.conf ...