[CentOS] Use postfix and spamd on CentOS 6 - looking for a shortest guide

Adam King kinga at sghs.org.uk
Mon Aug 11 16:43:55 UTC 2014


Can you explain why you'd use milter over spamassassin? Genuinely interested as we could certainly get better spam filtering... 

Adam King 
IT Systems Administrator 
Skipton Girls High School 
01756 707600 
www.sghs.org.uk 

----- Original Message -----
From: "Alexander Dalloz" <ad+lists at uni-x.org>
To: "CentOS mailing list" <centos at centos.org>
Sent: Monday, 11 August, 2014 5:01:16 PM
Subject: Re: [CentOS] Use postfix and spamd on CentOS 6 - looking for a shortest guide

Am 2014-08-11 13:38, schrieb Alexander Farber:
> Hello fellow CentOS-users,
> 
> on the net there are lots of Spamassassin related HOWTOs - describing 
> how
> to create a shell script for Postfix and how to install Spamassassin 
> and
> start its spamd daemon - step by step. Additionally antivirus setups 
> are
> described...
> 
> But I have a strong feeling, that this is unneeded on CentOS 6 - 
> because
> there are already preconfigured stock packages for postfix and 
> spamassassin.
> 
> So I have installed the both packages and I have configured postfix (it
> works fine).
> 
> Also I have started the spamd (and can see it in "ps uawx") with:
> 
>     # chkconfig spamassassin on
>     # service spamassassin start
> 
> So I'm just missing the connection between postfix and spamd.
> 
> Could anybody using these 2 programs on CentOS 6 please share it with 
> me?

[ ... ]

Do yourself a favour and use a milter instead of piping each single mail 
through spamassassin.

http://pkgs.org/centos-6/epel-x86_64/spamass-milter-0.3.2-3.el6.x86_64.rpm.html

Then add something like

smtpd_milters = unix:/var/run/spamass-milter/postfix/sock 
inet:127.0.0.1:8891
non_smtpd_milters = $smtpd_milters
milter_default_action = accept

to your Postfix' main.cf and configure the milter flags in 
/etc/sysconfig/spamass-milter.

> Thank you
> Alex

[ ... ]

Alexander

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