Installing Sendmail, SpamAssassin, and Mailscanner on FC1

王朝other·作者佚名  2006-01-09
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This guide is meant to build a spam and virus scanner to be put in place with an existing mail setup. All mail to the domain will come through this server, and then be relayed for normal delivery, with spam forwarded to spam@yourdomain.com. This has been tested in front of Domino.

This doc is a collaboration from James and Derek at PCA (thanks guys), various docs at fedoranews.org, Ugo Bellavance, and my own experiences.

First things first, you need these software packages to continue:

Fedora Core 1

MailScanner

Webmin

Sendmail (should install with OS)

SpamAssassin - do not install from Fedora, get the source tarball

DCC

Pyzor

Razor

Clam-AV

Fedora Core 1 Install

In the FC1 install, select ONLY Sendmail and Sendmail-cf under Mail Server, Development Tools, and Kernel Development. Nothing else is needed from Fedora.

Run yum update as soon as you're done booting up This will ensure a fully up-to-date system to work with.

Before you begin, make sure you have the following packages installed:

Perl

Sendmail

wget

unzip

gcc

patch

rpm-build Webmin w/ SSL Install -

http://www.webmin.com

Before you install webmin, install Net:SSLeay with:

rpm -ivh perl-Net-SSLeay-x.xx-x.rhfc1.dag.i386.rpm

with the package specifically for FC1 put together by Dag Wieers.

Once the install is complete, download webmin and install it with: rpm -ivh webmin-x.xxx-x.noarch.rpm

Open up a web browser, and point to https://your-box:10000.

Once you're logged into webmin, you can click on the system tab,

and go to bootup/shutdown and turn off any unnecessary services, and stop them from starting up.

Install MailScanner -

http://www.sng.ecs.soton.ac.uk/mailscanner/downloads.shtml

There have been some posted problems with man2prod errors, to avoid this type:

LANG=C

Unpack the tar file with:

tar xvzf MailScanner-x.xx-x.tar.gz

cd MailScanner-x.xx-x

./install.sh (You may need to run ./Update-MakeMaker.sh)

Create Sendmail-cf

Open up your favorite text editor and edit /etc/mail/sendmail.mc, and comment out the following lines by placing dnl in front of them:

dnl DAEMON_OPTIONS('Port=smtp,Adr=127.0.0.1, Name=MTA')

dnl FEATURE('accept_unresolvable_domains') dnl

Close and save. Now recreate the sendmail.cf at a command prompt with:

m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf

Install SpamAssassin -

http://www.spamassassin.org/downloads.html

Get the following four rpms:

spamassassin-x.xx-x.i386.rpm

perl-Mail-SpamAssassin-x.xx-x.i386.rpm

spamassassin-tools-x.xx-x.i386.rpm

perl-Digest-SHA1-x.xx-x.i386.rpm

Install all of these. That is it for now.

Install DCC -

http://www.dcc-servers.net/dcc/source/dcc-dccd.tar.Z

Extract the package with tar zxvf dcc-dccd.tar.Z, cd into the directory, and to install type:

./configure; make install

SpamAssassin will automagically pick up DCC and use it.

Install Pyzor -

http://pyzor.sourceforge.net

You will need the package python-devel for Pyzor

Extract the package with tar zxvf pyzor-0.4.0.tar.gz, cd into the directory, and to install type:

python setup.py build

python setup.py install

Pyzor will automagically be picked up by SpamAssassin as well.

Install Razor -

http://razor.sourceforge.net

Download the razor-agents, and the razor-agents-sdk tarballs, along with Net::DNS and Time::HiRes perl modules.

Extract the razor-agents-sdk first with:

tar zxvf razor-agents-sdk-2.03.tar.gz

tar zxvf razor-agents-2.40.tar.gz

cd into the agents-sdk directory first, and type:

perl Makefile.PL

make

make test

make install

When you're done with both packages, type in: razor-client, which creates the needed symlinks.

Razor will automagically be picked up by SpamAssassin.

Make this a shell script, and chmod 744 it. I put it in /etc/cron.daily

#!/bin/sh

pyzor discover

razor-admin -discover

/var/dcc/libexec/updatedcc

Install Clam-AV -

http://www.clamav.net

First, create the clamav user and group.

groupadd clamav

useradd -g clamav -s /bin/false -c "Clam Antivirus" clamav

Download clam-av, and extract it with:

tar zxvf clamav-x.xx.tar.gz

cd into the directory, and run:

./configure

make

make check

make install

MailScanner will update your Clam-AV defs for you.

Configure MailScanner

Modify the following in /etc/MailScanner/MailScanner.conf

MTA = sendmail

Use SpamAssassin = yes

Delivery Method = queue

Spam Actions = forward spam@yourdomain.com

High Scoring Spam Actions = forward spam@yourdomain.com

Virus Scanners = clamav

Comment out the following lines in /etc/MailScanner/spam.lists.conf

#MAPS-RBL blackholes.mail-abuse.org

#MAPS-DUL dialups.mail-abuse.org

#MAPS-RSS relays.mail-abuse.org

#MAPS-RBL+ rbl-plus.mail-abuse.org

*Note - make sure you make an account spam@yourdomain.com

Configure Sendmail

From Webmin, click on Servers, click on Sendmail Configuration.

Go to Domain Routing (mailertable) and manually edit /etc/mail/mailertable and add the following line:

yourdomain.com esmtp:normalmailserver.xxx.com

normalmailserver.xxx.com is the full hostname of the mail server that spam server will forward all mail to.

Make sure to separate with the tab key and save the settings.

Next, Click on Relay domains and add yourdomain.com

http://fedoranews.org/contributors/andrew_bassett/mailscanner

 
 
 
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