Spamassassin Postfix Virtual Domain

Instalasi Spamassassin
apt-get install perl spamass-milter spamc spamassassin

Penambahan User
groupadd -g 5005 spamd
useradd -u 5005 -g spamd -s /sbin/nologin -d /var/lib/spamassassin spamd
mkdir /var/lib/spamassassin
chown spamd:spamd /var/lib/spamassassin

Konfigurasi Filter Spam
vim /etc/spamassassin/local.cf
required_score 3.0
use_bayes 1
bayes_auto_learn 1

Konfigurasi Postfix master.cf
vim /etc/postfix/master.cf

smtp inet n - - - - smtpd
-o content_filter=spamassassin

spamassassin unix - n n - - pipe
user=spamd argv=/usr/bin/spamc -f -e
/usr/sbin/sendmail -oi -f ${sender} ${recipient}