N) Mail Scanner

MailScanner is a tool that integrates your mail server (MTA = Postfix) with antivirus scanners and Spam Assassin.

MailScanner Gentoo latest package is obsolete, you must install manually.

Download generic 'Nix tarball from GitHub releases page

decompress and run install.sh

mkdir /opt/mailscanner
cd /opt/mailscanner
wget ...
tar xvf <downloaded file>
cd MailScanner-xxx
./install.sh

follow instructions and answer the various questions.

MailScanner setup, see here. /etc/MailScanner.conf:

Run As User = postfix
Run As Group = postfix
Incoming Queue Dir = /var/spool/MailScanner/milterin
Outgoing Queue Dir = /var/spool/MailScanner/milterout
MTA = msmail
MSMail Queue Type = short
MSMail Delivery Method = QMQP
MSMail Socket Type = inet
MSMail Socket Dir = /var/spool/postfix/public/qmqp
MSMail Relay Port = 628
MSMail Relay Address = 127.0.0.1

/etc/default:

run_mailscanner=1

Postfix setup. main.cf:

# MailScanner milter
#smtpd_milters = inet:127.0.0.1:33333
# MailScanner milter may use QMQP for delivery
qmqpd_authorized_clients = 127.0.0.1

master.cf:

628       inet  n       -       n       -       -       qmqpd