How to install ClamAV and SpamAssassin on a Debian or Ubuntu

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

* ClamAV installation

apt-get install clamav-daemon
wget http://c.vestacp.com/0.9.8/ubuntu/clamd.conf -O /etc/clamav/clamd.conf
gpasswd -a clamav mail
gpasswd -a clamav Debian-exim
freshclam
update-rc.d clamav-daemon defaults
service clamav-daemon restart

* SpamAssassin installation

apt-get install spamassassin
update-rc.d spamassassin defaults
sed -i “s/ENABLED=0/ENABLED=1/” /etc/default/spamassassin
service spamassassin restart

* Exim configuration

sed -i “s/^#SPAMASSASSIN/SPAMASSASSIN/g” /etc/exim4/exim4.conf.template
sed -i “s/^#CLAMD/CLAMD/g” /etc/exim4/exim4.conf.template
service exim4 restart

* Vesta configuration

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