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Questions tagged [mailscanner]

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

MailScanner is an email-security and anti-spam system for Mail Transfer Agents. According to the documentation, "The software works with any Unix-based system and is compatible with a wide range of mail transports. It comes with support for any combination of 25 different virus scanner packages, including the free ClamAV scanner, and its design allows the use of multiple virus scanners in parallel to increase the level of security."

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Sending malicious email as a test

I have set up a working SMTP relay together with MailScanner. This SMTP relay is not — and will not be — able to relay email from the outside, only local email. Is it possible to send a malicious email with the terminal? I have googled around but…
Orphans
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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 the mail gateway. Satisfied, I then changed…
Daniel C. Sobral
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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 /etc/postfix/main.cf add this line: header_checks =…
Zixyar
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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 postfix user), it throws this error: SA Learn:…
gharper
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SpamAssassin, Postfix, and Multiple Addresses in From Header

I'm working on a problem that I'm seeing with an email scanning server (MailScanner, Spamassassin, Postfix, etc.), and From header spoofing. Unfortunately, some of the versions of these components are old, so this may be a bug in one or more of…
rickyboone
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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 connect to port 25 on the box IP which is…
kdl
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Mailscanner: how to block html attachments only

I have a Mailscanner site and I want to deny all html attachments but permit html emails. AFAIK there is difference between html attachments and html mail: Content-Disposition: attachment; I tried to configure Filetype Rules =…
sgargel
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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…
kdl
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add DCC metrics header with MailScanner/SpamAssassin

I have a working MailScanner 4.85.2 installation that is using DCC and reporting spamassassin DCC rule scores. I'd like to have MailScanner or SpamAssassin add the DCC Metrics to a header. I cannot find any way to configure either to do so and would…
simpleuser
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Delay in delivering messages with Mailscanner and Postfix

With Mailscanner (v4.85.2) and Postfix (v2.11.1-1) on Ubuntu mail is being delivered, but there are times where messages sit on the incoming queue after mailscanner has scanned them for right at 5 minutes before being delivered (in my case I'm…
gymbrall
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Mail has stopped working on Centos since instlling MailScanner

I have a VPS which I rent and it is running Centos 6. The VPS has ZPanel installed which is used to host some websites and emails. I have just installed Mailscanner and now, I have noticed that emails don't seem to be working. I looked at my mail…
pgunston
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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 to be notified about that. e.g. when it reaches…
user214712
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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 i replaced with:…
Guntis
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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]: Message A6D3969B8200.AE900 from x.x.x.x…
moriya
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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: <3D945239009B2549BFAE372F090AE90984E0882E7F@example.tld> --> 077I Message-ID:…
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