Razor2, pyzor e DCC Antispam no iRedMail

Instalando Razor2

# apt-get install razor
# mkdir /var/lib/amavis/.razor
# chown -Rf amavis:amavis /var/lib/amavis/.razor

# su amavis
$ razor-admin -home=/var/lib/amavis/.razor -create
$ razor-admin -home=/var/lib/amavis/.razor -discover
$ razor-admin -home=/var/lib/amavis/.razor -register
$ exit

Instalando pyzor

# apt-get install pyzor
# mkdir /var/lib/amavis/.pyzor
# chown amavis:amavis /var/lib/amavis/.pyzor

# su amavis
$ pyzor --homedir /var/lib/amavis/.pyzor discover
$ exit

wget http://www.dcc-servers.net/dcc/source/dcc-dccproc.tar.Z tar xzvf dcc-dccproc.tar.Z cd dcc-dccproc-1.3.139 ./configure --with-uid=amavis make make install chown -R amavis:amavis /var/dcc ln -s /var/dcc/libexec/dccifd /usr/local/bin/dccifd

vim /etc/spamassassin/local.cf

• • • INSERT THESE LINES : ***

1. dcc

use_dcc 1 dcc_path /usr/local/bin/dccproc score DCC_CHECK 1.500

• • • SAVE AND QUIT ***

vim /etc/spamassassin/v310.pre

• • • UNCOMMENT THIS LINE ***

loadplugin Mail::SpamAssassin::Plugin::DCC

• • • SAVE AND QUIT ***

• • • check if spamassassin loads the module: ***

spamassassin --lint -D

• • • check if you can reach the DCC servers ***

cdcc info

If everything is ok... /etc/init.d/amavis restart

Insira no final do arquivo /etc/spamassassin/local.cf

use_razor2 1
score RAZOR2_CHECK 2.500
score PYZOR_CHECK 2.500

Reinicia o amavis

/etc/init.d/amavis restart

Adicionando regras no Iptables

adicionei no final do arquivo /etc/default/iptables

# Razor2
-A OUTPUT -p tcp --dport 2703 -j ACCEPT


# pyzor
-A OUTPUT -p udp --dport 24441 -j ACCEPT
-A INPUT -p tcp --dport 24441 -j ACCEPT

e reinicie

/etc/init.d/iptables restart

Testando

# su amavis

//testando Razor2
$ spamassassin -t -D razor2 < /usr/share/doc/spamassassin/examples/sample-spam.txt

//testando pyzor
$ spamassassin -t -D pyzor < /usr/share/doc/spamassassin/examples/sample-spam.txt

= Para Debian 8

é necessário recompilar o razor

apt-get install fakeroot dh-buildinfo
apt-get source razor
apt-get build-dep razor
dpkg-source -x razor_2.85-4.1.dsc 
cd razor-2.85/
dpkg-buildpackage -rfakeroot -b
dpkg -i razor_2.85-4.1_amd64.deb

é importante adicionar repositório sources no sources.list

Referências

• http://oskarhane.com/better-spam-protection-for-iredmail-by-adding-razor2-and-pyzor/
• http://www.iredmail.org/forum/topic1880-iredmail-support-tutorial-install-and-enable-dcc-antispam-on-iredmailubuntu.html