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FreeBSD5.2.1上建立功能完整的郵件服務器(POSTFIX)

1．更新 ports

# cvsup -gL 2 -h cvsup.freebsdchina.org /usr/share/examples/cvsup/ports-supfile

2. 安裝 openssl+apache 服務器

# cd /usr/ports/security/openssl
# make install
# make clean
# cd /usr/ports/www/apache2
# make install
# make clean
# vi /etc/rc.conf

apache2_enable="YES"

3. 安裝 openwebmail

# cd /usr/ports/mail/openwebmail/
# make WITH_QUOTA=yes install
# make clean

4. 安裝 postfix ，在安裝過程中用yes回答提出的問題

# cd /usr/ports/mail/postfix/
# make install
# make clean

# vi /etc/rc.conf

為了能啟動postfix加入：

sendmail_enable="YES"
sendmail_flags="-bd"
sendmail_pidfile="/var/spool/postfix/pid/master.pid"
sendmail_outbound_enable="NO"
sendmail_submit_enable="NO"

5. 安裝 vm-pop3d

# cd /usr/ports/mail/vm-pop3d
# make install
# make clean

6. 配置 postfix

# vi /usr/local/etc/postfix/main.cf

添加：

myhostname = nero.3322.org
mydomain = nero.3322.org
virtual_alias_maps=hash:/usr/local/etc/postfix/virtual
alias_maps=hash:/usr/local/etc/postfix/aliases
default_privs=nobody
allow_mail_to_commands = alias,forward,include
allow_mail_to_files = alias,forward,include

下面我加入一個 nero.3322.org 的虛擬域，并添加一個用戶llzqq
# vi /usr/local/etc/postfix/virtual

添加：

nero.3322.org  anything       //之間用[tab]
llzqq@nero.3322.org llzqq.nero.3322.org    //之間用[tab]

執(zhí)行下面的命令，生成 virtual.db：

# cd /usr/local/etc/postfix/
# postmap virtual

# vi /usr/local/etc/postfix/aliases

添加：

llzqq.nero.3322.org:/var/spool/virtual/nero.3322.org/llzqq

執(zhí)行下面的命令，生成 aliases.db:

# cd /usr/local/etc/postfix
# postalias aliases

7. 配置 vm-pop3d 使其開機自動執(zhí)行

# cd /usr/local/etc/rc.d
# mv vm-pop3d.sh.sample vm-pop3d.sh

配置 openwebmail 支持 nero.3322.org 域，創(chuàng)建下面的文件：

# vi /usr/local/www/cgi-bin/openwebmail/etc/sites.conf/nero.3322.org

=========================== nero.3322.org =======================
auth_module auth_vdomain.pl
auth_withdomain yes
mailspooldir /var/spool/virtual/nero.3322.org
use_syshomedir no
use_homedirspools no
enable_autoreply no
enable_setforward no
enable_vdomain yes
vdomain_admlist llzqq       //這里設置了這個域的管理員
vdomain_maxuser 500
vdomain_vmpop3_pwdpath /usr/local/etc/virtual
vdomain_vmpop3_pwdname passwd
vdomain_vmpop3_mailpath /var/spool/virtual
vdomain_postfix_aliases /usr/local/etc/postfix/aliases
vdomain_postfix_virtual /usr/local/etc/postfix/virtual
vdomain_postfix_postalias /usr/local/sbin/postalias
vdomain_postfix_postmap /usr/local/sbin/postmap
# quota設置部分
quota_module quota_du.pl
quota_limit 52400          //定義了郵箱大小
quota_threshold 85
delmail_ifquotahit no
delfile_ifquotahit no
=========================== nero.3322.org =======================

# mkdir -p /var/spool/virtual/nero.3322.org
# chown nobody /var/spool/virtual/nero.3322.org
# chgrp mail /var/spool/virtual/nero.3322.org

# mkdir -p /usr/local/etc/virtual/nero.3322.org
# touch /usr/local/etc/virtual/nero.3322.org/passwd
# chmod 644 /usr/local/etc/virtual/nero.3322.org/passwd

# htpasswd /usr/local/etc/virtual/nero.3322.org/passwd llzqq
# chmod 755 /usr/local/www/cgi-bin/openwebmail/etc/users

# sync
# reboot

8. 最后通過瀏覽器登陸到OPENWEBMAIL

http://nero.3322.org/cgi-bin/openwebmail/openwebmail.pl

第二部分：防病毒、垃圾郵件：clamav+amavisd-new+spam

歡迎大家轉貼這個文章，但要保留下面的版權信息：

作者：llzqq
出處：www.chinaunix.net
聯(lián)系：llzqq@126.com

1．0 安裝clamav:

# cd /usr/ports/security/clamav
# make install
# make clean

# vi /usr/local/etc/clamav.conf
===============================clamav.conf============================
# Comment or remove the line below.
# Example
LogFile /var/log/clamav/clamd.log
LogFileMaxSize 1M
LogTime
LogVerbose
PidFile /var/run/clamav/clamd.pid
DataDirectory /usr/local/share/clamav
LocalSocket /tmp/clamd
StreamMaxLength 10M
MaxThreads 10
MaxDirectoryRecursion 15
User clamav
ScanMail
ScanArchive
ScanRAR
ArchiveMaxFileSize 10M
ArchiveMaxRecursion 5
ArchiveMaxFiles 1000
ClamukoScanOnOpen
ClamukoScanOnClose
ClamukoScanOnExec
ClamukoIncludePath /var/spool/virtual
ClamukoMaxFileSize 6M
ClamukoScanArchive
===============================clamav.conf============================

1.1 更新病毒庫

# /usr/local/etc/rc.d/clamav-freshclam.sh start

2.0 安裝amavisd-new

# cd /usr/ports/security/amavisd-new
# make install
# make clean

# cd /usr/local/etc
# mv amavisd.conf-dist amavisd.conf
# vi amavisd.conf
============================== amavisd.conf ===============================
$MYHOME = '/var/amavis';       # (default is '/var/amavis')
$mydomain = 'nero.3322.org';    # (no useful default)
$daemon_user  = 'vscan';       # (no default;  customary: vscan or amavis)
$daemon_group = 'vscan';       # (no default;  customary: vscan or amavis)

$log_level = 0;

$sa_spam_subject_tag = '***SPAM***'

$virus_admin = "root\@$mydomain";
$spam_admin = "llzqq\@$mydomain";
$mailfrom_notify_admin    = "llzqq\@$mydomain";
$mailfrom_notify_recip    = "llzqq\@$mydomain";
$mailfrom_notify_spamadmin = "llzqq\@$mydomain";

$inet_socket_bind = '127.0.0.1';
$forward_method = 'smtp:127.0.0.1:10025';
$notify_method = $forward_method;
$inet_socket_port = 10024;
$max_servers  =  2;

['Clam Antivirus-clamd',
\&, ["CONTSCAN {}\n", '/tmp/clamd'],
qr/\bOK$/, qr/\bFOUND$/,
qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
============================== amavisd.conf ===============================

2.1 要啟動clamav和amavisd-new需要配置一下/etc/rc.conf

# vi /etc/rc.conf

spamd_enable="YES"
amavisd_enable="YES
clamav_clamd_enable="YES"

3.0 由于在安裝amavisd-new時spamassassin被一起安裝了下面對其進行配置

3.1 建立過濾規(guī)則：

# cd /usr/local/etc/mail/spamassassin
# env LANG=C vi local.cf
=============================== local.cf ===============================
# SpamAssassin config file for version x.xx
# generated by http://www.yrex.com/spam/spamconfig.php (version 1.01)

# How many hits before a message is considered spam.
required_hits 4.0

# Whether to change the subject of suspected spam
rewrite_subject 1

# Text to prepend to subject if rewrite_subject is used
subject_tag *****SPAM*****

# Encapsulate spam in an attachment
report_safe 1

# Use terse version of the spam report
use_terse_report 0

# Enable the Bayes system
use_bayes 1

# Enable Bayes auto-learning
auto_learn 1

# Enable or disable network checks
skip_rbl_checks 1
use_razor2 0
use_dcc 0
use_pyzor 0

# Mail using languages used in these country codes will not be marked
# as being possibly spam in a foreign language.
# - chinese english
ok_languages zh en

# Mail using locales used in these country codes will not be marked
# as being possibly spam in a foreign language.
ok_locales en zh
score SUBJ_FULL_OF_8BITS 2
score NO_REAL_NAME 4.0
=============================== local.cf ===============================

3.2 下載新的垃圾郵件地址列表文件

# cd /usr/local/share/spamassassin
# fetch http://anti-spam.org.cn/rules/sa/55_diy_score.cf

4.0 對POSFIX進行配置，在他的配置文件中添加下面的一些內容

# vi /usr/local/etc/postfix/master.cf

---------------------- master.cf ---------------------
smtp-amavis unix -    -    n       -    2  smtp
      -o smtp_data_done_timeout=1200
      -o disable_dns_lookups=yes

127.0.0.1:10025 inet n -    n    -    -  smtpd
      -o content_filter=
      -o local_recipient_maps=
      -o relay_recipient_maps=
      -o smtpd_restriction_classes=
      -o smtpd_client_restrictions=
      -o smtpd_helo_restrictions=
      -o smtpd_sender_restrictions=
      -o mynetworks=127.0.0.0/8
---------------------- master.cf ---------------------

# vi /usr/local/etc/postfix/main.cf

content_filter = smtp-amavis:[127.0.0.1]:10024

好了，現在一個基于FreeBSD的功能相對完整的郵件服務器就建立起來了，虛擬域的管理員可以登陸OPENWEBMAIL進行用戶的添加、刪除等操作，虛擬用戶可以通過OPENWEBMAIL修改自己的密碼。

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FreeBSD5.2.1上建立功能完整的郵件服務器(POSTFIX)