如何在Ubuntu Hardy Heron 8.04 架Mail Server + SpamAssassin

如何在Ubuntu Hardy Heron 8.04 架Mail Server + SpamAssassin

How to Setup Ubuntu Hardy Heron Mail Server Setup with Postfix + Dovecot + SASL + Squirrel Mail + SpamAssassin
安裝 Postfix

$ sudo aptitude install postfix postfix-tls libsasl2 sasl2-bin libsasl2-modules popa3d

* Choose Internet Site in Postfix Configuration

$ sudo /etc/init.d/postfix restart

安裝 Dovecot

$ sudo aptitude install dovecot-imapd dovecot-pop3d dovecot-common
$ sudo nano /etc/dovecot/dovecot.conf

找第 24 行

改
# specify protocols = imap imaps pop3 pop3s
成
protocols = pop3 imap

找第50行
改
#disable_plaintext_auth = yes
成
disable_plaintext_auth = no

找第 627行
改
# pop3_uidl_format = %08Xu%08Xv
成
pop3_uidl_format = %08Xu%08Xv
建立新的使用者
$ sudo adduser alice
重新啟動
$ sudo /etc/init.d/dovecot restart

修改SASL認證
Configure SASL Authentication with TLS

$ sudo nano /etc/postfix/main.cf

加入這些行
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = yourdomain.com
smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination
smtpd_sasl_security_options = noanonymous

$ sudo rm -r /var/run/saslauthd/
$ sudo mkdir -p /var/spool/postfix/var/run/saslauthd
$ sudo ln -s /var/spool/postfix/var/run/saslauthd /var/run
$ sudo chgrp sasl /var/spool/postfix/var/run/saslauthd
$ sudo adduser postfix sasl
$ sudo nano /etc/dovecot/dovecot.conf

找第767行

改
auth default {
成
auth default2 {

在 auth default2{ 前加入以下這些設定

auth default {
mechanisms = plain login
passdb pam {
}
userdb passwd {
}
socket listen {
client {
path = /var/spool/postfix/private/auth
mode = 0660
user = postfix
group = postfix
}

}

}

重開
sudo /etc/init.d/saslauthd restart
sudo /etc/init.d/postfix restart
sudo /etc/init.d/dovecot restart

測試 EVOLUTION 信箱軟體

安裝Squirrel 網路 Mail

先裝 apache2 + php5

$ sudo apt-get install apache2

$ sudo apt-get install libapache2-mod-php5 php5-cli php5-common php5-cgi
$ sudo apt-get install squirrelmail
$ sudo /usr/sbin/squirrelmail-configure
$sudo nano /etc/apache2/apache2.conf

加入以下設定
Include /etc/squirrelmail/apache.conf
$ sudo /etc/init.d/apache2 restart

http://yourdomain.com/squirrelmail

Create a separate local user and login as a new user.

Mail Server Logs

$ sudo tail -f /var/log/mail.log
$ sudo nano /var/log/mail.log

reference: http://www.debianadmin.com/debian-mail-server-setup-with-postfix-dovecot-sasl-squirrel-mail.html

SpamAssassin

$ sudo sudo apt-get install spamassassin spamc
$ sudo groupadd -g 5001 spamd
$ sudo useradd -u 5001 -g spamd -s /sbin/nologin -d /var/lib/spamassassin spamd
$ sudo mkdir /var/lib/spamassassin
$ sudo chown spamd:spamd /var/lib/spamassassin

$ sudo sudo nano /etc/default/spamassassin
ENABLED=1
SAHOME="/var/lib/spamassassin/"
OPTIONS="--create-prefs --max-children 5 --username spamd --helper-home-dir ${SAHOME} -s ${SAHOME}spamd.log"
PIDFILE="${SAHOME}spamd.pid"

$ sudo nano /etc/spamassassin/local.cf
rewrite_header Subject [***** SPAM _SCORE_ *****]
required_score 2.0
#to be able to use _SCORE_ we need report_safe set to 0
#If this option is set to 0, incoming spam is only modified by adding some "X-Spam-" headers and no changes will be made to the body.
report_safe 0
# Enable the Bayes system
use_bayes 1
use_bayes_rules 1
# Enable Bayes auto-learning
bayes_auto_learn 1
# Enable or disable network checks
skip_rbl_checks 0
use_razor2 0
use_dcc 0
use_pyzor 0

$ sudo /etc/init.d/spamassassin start
$ sudo nano /etc/postfix/master.cf

*
change

smtp inet n - - - - smtpd

*
to

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}

$ sudo /etc/init.d/postfix reload