How to install ClamAV and SpamAssassin on a RHEL or CentOS

This tutorial is created for servers with less than 3Gb of ram avaialbe. On “big” servers installation is fully automatic.

* ClamAV installation

yum install clamd
wget http://c.vestacp.com/0.9.8/rhel/clamd.conf -O /etc/clamd.conf
wget http://c.vestacp.com/0.9.8/rhel/freshclam.conf -O /etc/freshclam.conf
gpasswd -a clam exim
gpasswd -a clam mail
freshclam
chkconfig clamd on
service clamd start

* SpamAssassin installation

yum install spamassassin
chkconfig spamassassin on
service spamassassin start

* Exim configuration

sed -i “s/^#SPAMASSASSIN/SPAMASSASSIN/g” /etc/exim/exim.conf
sed -i “s/^#CLAMD/CLAMD/g” /etc/exim/exim.conf
service exim restart

* Vesta configuration

sed -i “s/ANTIVIRUS.*/ANTIVIRUS_SYSTEM=’clamav’/” /usr/local/vesta/conf/vesta.conf
sed -i “s/ANTISPAM.*/ANTISPAM_SYSTEM=’spamassassin’/” /usr/local/vesta/conf/vesta.conf