MT6 SMTP

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Mail Toaster 6
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Install Haraka

jailmanage haraka
pkg install -y gmake iconv node npm redis swaks git rsync
npm install -g Haraka ws express

If npm refuses to install, it's because a bug in node.js isn't resolved yet. The workaround is to provide the jail with an IP that's not on the loopback interface. One such method is to set 'ip4.addr = lo0|127.0.0.9, em0|N.N.N.N' for the Haraka jail in /etc/jail.conf and restart the haraka jail.

update with Mail Toaster options

cd /usr/local
git clone https://github.com/msimerson/Haraka.git
mv Haraka haraka.msimerson
cd haraka.msimerson
git checkout toaster
rsync -acOv --exclude .git ./ /usr/local/lib/node_modules/Haraka/
cd /usr/local/lib/node_modules/Haraka && npm install

Configure Haraka

All of Haraka's configuration files live in the config directory within Haraka's install directory. In these instructions, we are using /usr/local/haraka.

haraka -i /usr/local/haraka
cd /usr/local/haraka
sed -i .bak -e 's/^listen=\[.*$/listen=127.0.0.9:25,127.0.0.9:465,127.0.0.9:587/' config/smtp.ini
sed -i .bak -e 's/^daemon_log_file=.*/daemon_log_file=\/dev\/null/' config/smtp.ini
sed -i .bak -e 's/^host=localhost/host=127.0.0.8/' config/smtp_forward.ini
sed -i .bak -e 's/^port=2555/port=25/' config/smtp_forward.ini
echo 'reject=0' > config/dnsbl.ini
echo 'periodic_checks=30' >> config/dnsbl.ini
sed -i .bak -e 's/always_ok=false/always_ok=true/' config/log.syslog.ini

enable Watch

sed -i .bak -e 's/; listen=\[::\]:80/listen=127.0.0.9:80/' config/http.ini

enable TLS

cd /usr/local/haraka
ln /etc/ssl/certs/server.crt config/tls_cert.pem
ln /etc/ssl/private/server.key config/tls_key.pem

enable p0f

p0f is a utility that provides OS detection based on the TCP/IP fingerprint of the remote computer

pkg install -y p0f
fetch -o /usr/local/etc/rc.d/p0f http://mail-toaster.org/install/mt6-p0f.txt
chmod 555 /usr/local/etc/rc.d/p0f
echo 'p0f_enable="YES"' >> /etc/rc.conf

Now edit /usr/local/etc/rc.d/p0f and look for the line that reads:

: ${p0f_args="-i em0 -d -s /tmp/.p0f_socket 'dst port 25 or dst port 587 or dst port 465'"}

Change em0 to the interface name of your external[?] NIC.

Continue with starting the service:

service p0f start
perl -pi -e 's/^dnsbl$/dnsbl\nconnect.p0f/' config/plugins

configure qmail-deliverable

sed -i .bak -e 's/^host=127.0.0.1/host=127.0.0.8/' config/rcpt_to.qmail_deliverable.ini

configure auth_vpopmaild

echo 'host=127.0.0.8' > config/auth_vpopmaild.ini

Note: to enable CRAM-MD5 support for SMTP AUTH, see the auth_vpopmaild docs

configure spamassassin

sed -i .bak -e 's/^spamd_socket=127.0.0.1:783/spamd_socket=127.0.0.6:783/' config/spamassassin.ini
sed -i .bak -e 's/^;spamd_user=$/spamd_user=first-recipient/' config/spamassassin.ini

configure clamav

echo 'clamd_socket=127.0.0.5:3310' >> config/clamd.ini

configure AVG

sed -i .bak -e 's/;host.*/host = 127.0.0.14/' config/avg.ini
sed -i .bak -e 's/;tmpdir.*/tmpdir=\/var\/tmp\/avg/' config/avg.ini

configure rspamd

sed -i .bak -e 's/;host.*/host = 127.0.0.13/' config/rspamd.ini

enable Redis

echo 'redis_enable="YES"' >> /etc/rc.conf
service redis start

fetch GeoIP databases regularly

mkdir -p /usr/local/share/GeoIP
npm install -g maxmind-geolite-mirror
ln -s /usr/local/bin/maxmind-geolite-mirror /usr/local/etc/periodic/weekly/999.maxmind-geolite-mirror
/usr/local/bin/maxmind-geolite-mirror

Start Haraka

fetch -o /usr/local/etc/rc.d/haraka http://mail-toaster.org/install/mt6-rcd.txt
chmod 555 /usr/local/etc/rc.d/haraka
echo 'haraka_enable="YES"' >> /etc/rc.conf
echo 'haraka_flags="-c /usr/local/haraka"' >> /etc/rc.conf
mkdir -p /usr/local/haraka/queue
service haraka start


Send a test message.

swaks -server localhost -to postmaster@[CHANGE.THIS] -from [my@real.email]


More Information

Mail Toaster SMTPd History

Versions of Mail::Toaster prior to 6 included a heavily patched qmail-smtpd. The patch added quite a few "must have" SMTP features to netqmail, including SMTP AUTH, STARTTLS, SPF, chkuser, and more. The patch was very difficult to maintain, and thus wasn't maintained well.

Haraka

Haraka provides a basic SMTP daemon with a plugin architecture. Need encryption? Enable the tls plugin. The SPF plugin is there, just enable it. The chkuser functionality of the patched qmail is handled via Qmail::Deliverable and its daemon. A Haraka plugin calls the qmail-deliverabled daemon to assure we accept mail for the recipient. There's a plugin for nearly every popular email technology.