利用yum安装postfix邮件服务器

  利用yum安装postfix邮件服务器

首先说明:这里借鉴了crastyl的博文(http://blog.chinaunix.net/u1/57953/showart.php?id=1211463),然后在此基础上修正了一些错误,安装而成。目前已经上线并使用,现把安装过程总结如下:

一.首先介绍安装环境:
    OS:centos5.4最小化安装,选择了组件 base,devlopment libraries  development tools editors text-base internet 这几个组件,其他的一概不选。安装系统完毕,直接进行yum update -y &升级。
    在终端输入setup命令 选择firewall configuration 将security level 与SELinux 改为disabled,目的是为了避免在安装调试时产生不必要的麻烦,在系统安装完成后,可以自己去调试安全部分,在这里将不作详细介绍。

二.组件选择说明:
    我们能用RPM 安装的,我们将采用rpm 安装,如果rpm没有的,我们将创建自己的rpm。部分软件简介:
    1、AMP ---apache(web服务) 、mysql(数据库)、php(非必需) 的简称
    2、postfix --mta 邮件系统核心
    3、courier-authlib--一个为courier-imap,maildrop,sasl2 提供用户信息的后台进程序
    4、courier-imap --提供pop3,pop3s,imap,imaps 服务的程序
    5、dspam clamd --提供内容过滤   
    6、extmail --一个著名的webmail程序
    7、extman --与extmail集成的后台管理程序
   

三:组件安装
    1、安装AMP
     [root@localhost ~]# yum -y install httpd httpd-devel mysql mysql-devel mysql-server php php-xml php-cli php-pdo php-mbstring php-mcrypt php-gd php-common php-devel php-mysql
    修改启动配置并启动
    [root@localhost ~]# chkconfig --level 345  mysqld on
    [root@localhost ~]# chkconfig --level 345  httpd on
    [root@localhost ~]# service mysqld start
    [root@localhost ~]# service httpd start

    2.下载extman(http://www.extmail.org/cgi-bin/download.cgi)
    [root@localhost ~]# tar zxf extman-1.1.tar.gz
    [root@localhost ~]# cd extman-1.1/docs/
    [root@localhost docs]# mysql -uroot <extmail.sql
    [root@localhost docs]# mysql -uroot <init.sql
   
    3、RPM 简介
    下面我们将采用rpm 的方式安装软件
    /usr/src/redhat/SPEC spec 文件夹,通常是rpm文件夹
    /usr/src/redhat/RPMS 是生成rpm 的文件,下面还有i368,i486 等子文件夹,一般我们用i386 架构
    /usr/src/redhat/SOURCE 源文件文件夹
    为了安装时切换目录的方便,我们将目录存放到一个shell变量里。
    [root@localhost ~]# export RPMS=/usr/src/redhat/RPMS
    [root@localhost ~]# export SOURCE=/usr/src/redhat/SOURCES
    [root@localhost ~]# export SPEC=/usr/src/redhat/SPECS
    在下面安装过程中,大家要记住cd $RPMS 与cd /usr/src/redhat/RPMS 的目的是一样的,只是shell变量的替换。

    4、安装authlib (courier-authlib-0.63.0)
    A、安装依懒的包
    [root@localhost ~]# yum -y install postgresql-devel expect libtool-ltdl-devel
    [root@localhost ~]# wget http://prdownloads.sourceforge.net/courier/courier-authlib-0.63.0.tar.bz2
    [root@localhost ~]# tar xjf courier-authlib-0.63.0.tar.bz2
    [root@localhost ~]# cd courier-authlib-0.63.0
    [root@localhost courier-authlib-0.63.0]# cp courier-authlib.spec $SPEC
    [root@localhost courier-authlib-0.63.0]# cd ..
    [root@localhost ~]# cp courier-authlib-0.63.0.tar.bz2 $SOURCE
    [root@localhost ~]# cd $SPEC
    [root@localhost SPECS]# rpmbuild -bb courier-authlib.spec (创建rpm文件)
    B、安装生成的rpm
    [root@localhost SPECS]# cd $RPMS/i386
    [root@localhost i386]# rpm -ivh courier-authlib-0.63.0-1.i386.rpm
    [root@localhost i386]# rpm -ivh courier-authlib-devel-0.63.0-1.i386.rpm
    [root@localhost i386]# rpm -ivh courier-authlib-mysql-0.63.0-1.i386.rpm
    C、配置authlibdaemon
    [root@localhost i386]# cd /etc/authlib/
    [root@localhost authlib]# mv authdaemonrc authdaemonrc.bak
    [root@localhost authlib]# vim authdaemonrc
    输入下面的内容:
    authmodulelist="authmysql"
    authmodulelistorig="authmysql"
    daemons=10
    authdaemonvar=/var/spool/authdaemon
    DEBUG_LOGIN=2
    DEFAULTOPTIONS="wbnodsn=1"
    LOGGEROPTS=""
    D、配置authmysqlrc
    [root@localhost authlib]# mv authmysqlrc authmysqlrc.bak
    [root@localhost authlib]# vim authmysqlrc
    输入下面的内容:
    MYSQL_SERVER    localhost
    MYSQL_USERNAME  extmail
    MYSQL_PASSWORD  extmail
    MYSQL_PORT      0
    MYSQL_SOCKET    /var/lib/mysql/mysql.sock
    MYSQL_OPT       0
    MYSQL_DATABASE  extmail

    MYSQL_SELECT_CLAUSE     SELECT username,password,"",uidnumber,gidnumber,\
                        CONCAT('/home/domains/',homedir),               \
                        CONCAT('/home/domains/',maildir),               \
                        quota,                                          \
                        name                                            \
                        FROM mailbox                                    \
                        WHERE username = '$(local_part)@$(domain)'

    E、启动authlib

    [root@localhost ~]# service courier-authlib start
    Starting Courier authentication services: authdaemond
    [root@localhost ~]# chmod 777 /var/spool/authdaemon/

    5.安装courier-imap
    由于courier-imap 不能用root身份生成rpm那么我们新建一个普通用户,并创建一个rpm环境
    [root@localhost ~]# useradd yiyou 在这里添加自己的用户
    软件包依懒需要安装openldap-server,rpm创建完成后可以删除
    [root@localhost ~]# yum -y install openldap-servers
    [root@localhost ~]# su - yiyou  
    [yiyou@localhost ~]$ mkdir -p rpm/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
    [yiyou@localhost ~]$ vim  ~/.rpmmacros
    输入内容:
    %_topdir /home/yiyou/rpm
    [yiyou@localhost ~]$ wget http://prdownloads.sourceforge.net/courier/courier-imap-4.7.0.tar.bz2
    [yiyou@localhost ~]$ cp courier-imap-4.7.0.tar.bz2 rpm/SOURCES/
    [yiyou@localhost ~]$ tar xjf courier-imap-4.7.0.tar.bz2
    [yiyou@localhost ~]$ cd courier-imap-4.7.0
    [yiyou@localhost courier-imap-4.7.0]$ cp courier-imap.spec ../rpm/SPECS/
    [yiyou@localhost courier-imap-4.7.0]$ cd ../rpm/SPECS/
    编辑courier-imap.spec 将下面的内容:
    %if %suse_version
    BuildRequires: rpm >= 3.0.5 /usr/bin/sed openldap2 openldap2-devel %([ %{suse_version} -gt 819 ] && echo /usr/include/fam.h)
    %else
    BuildRequires: rpm >= 4.0.2 sed /usr/include/fam.h openldap-devel openldap-servers
    %endif
    改为:将此处fam.h 去掉 此处好像没有openldap相关选项 2010-1-12
    %if %suse_version   在这里好像提示没有安装openldap-server yum install openldap* 还真没装
    BuildRequires: rpm >= 3.0.5 /usr/bin/sed openldap2 openldap2-devel
    %else
    BuildRequires: rpm >= 4.0.2 sed openldap-devel openldap-servers
    %endif
    创建rpm
    [yiyou@localhost SPECS]$ rpmbuild -bb courier-imap.spec
    完成rpm后,输入exit退出当前用户。
    [root@localhost ~]# rpm -ivh /home/yiyou/rpm/RPMS/i386/courier-imap-4.7.0-1.i386.rpm
    [root@localhost ~]# service courier-imap start

    6.安装cyrus-sasl
   
    [root@localhost ~]# yum install -y cyrus-sasl-devel cyrus-sasl-plain cyrus-sasl cyrus-sasl-lib
    A.配置sasl2
    创建/usr/lib/sasl2/smtpd.conf 文件,输入下面的内容:
    pwcheck_method:authdaemond
    log_level:3
    mech_list:PLAIN LOGIN
    authdaemond_path:/var/spool/authdaemon/socket
   
    7、安装postfix 升级至2.6.5
    A、下载软件包
    [root@localhost i386]# cd
    [root@localhost ~]# wget http://ftp.wl0.org/official/2.6/SRPMS/postfix-2.6.5-1.src.rpm
    [root@localhost ~]# rpm -ivh postfix-2.6.5-1.src.rpm
    [root@localhost ~]# cd $SPEC
    编辑postfix.spec 修改下面的选项
    %define distribution rhel-5.0
    %define with_mysql_redhat 1
    %define with_sasl         2
    %define with_vda          1
    %define with_pcre         1

    B、创建rpm

    [root@localhost SPECS]# rpmbuild -bb postfix.spec
    [root@localhost RPMS]# cd $RPMS/i386
    [root@localhost i386]# rpm -ivh postfix-2.6.5-1.rhel5.i386.rpm

    C、切换mta

    [root@localhost i386]# alternatives --config mta (选择2,postfix)
    [root@localhost i386]# rpm -e sendmail
    [root@localhost i386]# cd /usr/sbin/
    [root@localhost sbin]# mv sendmail sendmail.bak
    [root@localhost sbin]# newaliases
    [root@localhost sbin]# ln -s sendmail.postfix sendmail

    D、配置postfix

    [root@localhost ~]# cd /etc/postfix/
    [root@localhost postfix]# mv main.cf main.cf.bak
    [root@localhost postfix]# vim main.cf

    输入下面的内容:

    queue_directory = /var/spool/postfix
    command_directory = /usr/sbin
    daemon_directory = /usr/libexec/postfix
    data_directory = /var/lib/postfix
    mail_owner = postfix
    unknown_local_recipient_reject_code = 550
    debug_peer_level = 2
    debugger_command =
         PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
         ddd $daemon_directory/$process_name $process_id & sleep 5

    sendmail_path = /usr/sbin/sendmail.postfix
    newaliases_path = /usr/bin/newaliases.postfix
    mailq_path = /usr/bin/mailq.postfix
    setgid_group = postdrop
    html_directory = /usr/share/doc/postfix-2.6.5-documentation/html
    manpage_directory = /usr/share/man
    sample_directory = /etc/postfix
    readme_directory = /usr/share/doc/postfix-2.6.5-documentation/readme
    alias_database = hash:/etc/postfix/aliases
    alias_maps = hash:/etc/postfix/aliases
    myhostname = mail.360book.com.cn(修改为自己的域名)
    mydomain = 360book.com.cn(修改为自己的域名)
    mydestination = $myhostname
    smtpd_banner = 360book.com.cn ESMTP Mail System(修改为自己的域名)
    message_size_limit = 14680064
    virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf
    virtual_mailbox_base = /home/domains
    virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf
    virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
    virtual_mailbox_limit_maps = mysql:/etc/postfix/mysql_virtual_limit_maps.cf
    virtual_transport = maildrop
    maildrop_destination_recipient_limit = 1

    #sasl
    smtpd_sasl_auth_enable = yes
    smtpd_sasl2_auth_enable = yes
    smtpd_sasl_security_options = noanonymous
    broken_sasl_auth_clients = yes
    smtpd_recipient_restrictions =
     permit_mynetworks,
     permit_sasl_authenticated,
     reject_unauth_destination,
     reject_unauth_pipelining,
     reject_invalid_hostname
    dspam_destination_recipient_limit = 1
    复制extman/docs 目录的cf 文件到/etc/postfix
    [root@localhost postfix]# cp /root/extman-1.1/docs/mysql_virtual_* .
    因为配置文件的用户、密码与数据库时一样,所以不用修改。
    [root@localhost postfix]# service postfix start

    9、安装maildrop
    A、下载生成RPM

    [root@localhost postfix]# cd
    [root@localhost ~]# wget http://prdownloads.sourceforge.net/courier/maildrop-2.3.0.tar.bz2
    [root@localhost ~]# cp maildrop-2.3.0.tar.bz2 $SOURCE
    [root@localhost ~]# tar xjf maildrop-2.3.0.tar.bz2
    [root@localhost ~]# cd maildrop-2.3.0
    [root@localhost maildrop-2.3.0]# cp maildrop.spec $SPEC
    [root@localhost maildrop-2.3.0]# cd $SPEC
    编辑maildrop.spec 把下面:
    BuildRequires: /usr/include/fam.h gdbm-devel pcre-devel
    改为:
    BuildRequires:  gdbm-devel pcre-devel
    把下面:
    %configure --with-devel --enable-userdb --enable-maildirquota  \
    --enable-syslog=1 --enable-trusted-users='root mail daemon postmaster qmaild mmdf' \
    --enable-restrict-trusted=0 \
    --enable-sendmail=/usr/sbin/sendmail
    改为:
    %configure --with-devel --enable-userdb --enable-maildirquota \
    --enable-syslog=1 --enable-trusted-users='root mail daemon postmaster qmaild mmdf' \
    --enable-restrict-trusted=0 --enable-sendmail=/usr/sbin/sendmail \
    --enable-authlib
    B、创建安装maildrop rpm
    [root@localhost SPECS]# yum -y install pcre-devel
    [root@localhost SPECS]# rpmbuild -bb maildrop.spec
    [root@localhost SPECS]# cd $RPMS/i386
    [root@localhost i386]# rpm -ivh maildrop-2.3.0-1.i386.rpm
    C、添加虚似用户及创建目录
    [root@localhost i386]# cd  在这里提示已经添加了用户 应该是安装postfix的时候创建的用户
    [root@localhost ~]# groupadd -g 1000 vgroup
    [root@localhost ~]# useradd -g 1000 -u 1000 -s /sbin/nologin -d /dev/null vuser
    编辑/etc/postfix/master.cf ,加入下面的内容:
    maildrop unix -     n     n     -     -     pipe
     flags=DRhu user=vuser argv=/usr/bin/maildrop -d ${user}@${nexthop} ${recipient} ${user} ${extension} ${nexthop}
    D、创建邮件存储目录
    [root@localhost ~]# mkdir -p /home/domains/extmail.org/postmaster
    [root@localhost ~]# maildirmake /home/domains/extmail.org/postmaster/Maildir
    [root@localhost ~]# chown -R vuser:vgroup /home/domains/   
    E、测试maildrop
    [root@localhost ~]# echo "test" | maildrop -V 10 -d [email protected]
    maildrop: authlib: groupid=1000
    maildrop: authlib: userid=1000   这里改成自己相应的
    maildrop: authlib:[email protected],
    home=/home/domains/extmail.org/postmaster, mail=/home/data/domains/extmail.org/postmaster/Maildir/
    maildrop: Changing to /home/data/domains/extmail.org/postmaster
    Message start at 0 bytes, envelope [email protected]
    maildrop: Attempting .mailfilter
    maildrop: Delivery complete.
    出现上以信息说明authlib,maildrop 工作正常
    F、测试pop3
    [root@localhost ~]# telnet localhost 110
    Trying 127.0.0.1...
    Connected to localhost.localdomain (127.0.0.1).
    Escape character is '^]'.
    +OK Hello there.
    user [email protected]
    +OK Password required.
    pass extmail
    +OK logged in.
    list
    +OK POP3 clients that break here, they violate STD53.
    1 6
    .
    retr 1
    +OK 6 octets follow.
    test
    .
    quit
    +OK Bye-bye.
    Connection closed by foreign host.

    G、测试postfix
    [root@localhost ~]# perl -MMIME::Base64 -e 'print encode_base64("postmaster\@extmail.org");'
    cG9zdG1hc3RlckBleHRtYWlsLm9yZw==
    [root@localhost ~]# perl -MMIME::Base64 -e 'print encode_base64("extmail");'               
    ZXh0bWFpbA==
    [root@localhost ~]# service postfix restart (重启一下)
    [root@localhost ~]# telnet localhost 25
    Trying 127.0.0.1...
    Connected to localhost.localdomain (127.0.0.1).
    Escape character is '^]'.
    220 yiyou.org ESMTP Mail System
    ehlo test.com
    250-mail.yiyou.org
    250-PIPELINING
    250-SIZE 14680064
    250-VRFY
    250-ETRN
    250-AUTH LOGIN PLAIN
    250-AUTH=LOGIN PLAIN
    250-ENHANCEDSTATUSCODES
    250-8BITMIME
    250 DSN
    auth login
    334 VXNlcm5hbWU6
    cG9zdG1hc3RlckBleHRtYWlsLm9yZw==
    334 UGFzc3dvcmQ6
    ZXh0bWFpbA==
    235 2.7.0 Authentication successful
    quit
    221 2.0.0 Bye
    Connection closed by foreign host
   
    10.安装extman/extmail

    添加emos 1.5的源
    EMOS-Base
    #
    # Created by ExtMail Dev Team: http://www.extmail.org/
    #
    # $Id$

    [EMOS-base]
    name=EMOS-Base
    baseurl=http://mirror.extmail.org/yum/emos/1.5/os/$basearch/
    gpgcheck=0
    priority=0
    protect=0

    [EMOS-update]
    name=EMOS-Updates
    baseurl=http://mirror.extmail.org/yum/emos/1.5/updates/$basearch/
    gpgcheck=0
    priority=0
    protect=0

    A、配置apache
    修改/etc/httpd/conf/httpd.conf,将下面的选项改为:
    User vuser
    Group vgroup
    在文件最后输入:Include /etc/httpd/conf.d/extmail.conf

    [root@localhost ~]# cd /etc/httpd/conf.d/
    [root@localhost conf.d]# vim extmail.conf
    输入下面的内容:
    Alias /extman/cgi/ /var/www/extsuite/extman/cgi/
    Alias /extman /var/www/extsuite/extman/html/
    <Location "/extman/cgi">
    SetHandler cgi-script
    Options +ExecCGI
    </Location>
    # config for ExtMail
    Alias /extmail/cgi/ /var/www/extsuite/extmail/cgi/
    Alias /extmail /var/www/extsuite/extmail/html/
    <Location "/extmail/cgi">
    SetHandler cgi-script
    Options +ExecCGI
    </Location>
    [root@localhost ~]# mkdir /var/www/extsuite
    [root@localhost ~]# tar zxf extmail-1.2.tar.gz
    [root@localhost ~]# cp -r extmail-1.2 /var/www/extsuite/extmail
    [root@localhost ~]# cp -r extman-1.1 /var/www/extsuite/extman
    B、配置extmail参数
    [root@localhost ~]# cd /var/www/extsuite/extmail/
    [root@localhost extmail]# cp webmail.cf.default webmail.cf
    修改webmail.cf 下面的选项
    SYS_SESS_DIR = /tmp/extmail
    SYS_MAILDIR_BASE = /home/domains
    SYS_MYSQL_USER = extmail
    SYS_MYSQL_PASS = extmail
    C、配置extman参数
    [root@localhost extmail]# cd /var/www/extsuite/extman/
    修改webman.cf 下面的选项:
    SYS_MAILDIR_BASE = /home/domains
    D、创建session 目录
    [root@localhost extman]# mkdir /tmp/{extman,extmail}
    [root@localhost extman]# chown vuser:vgroup /tmp/ext*

    E、配置后台日志分析工具
    [root@localhost addon]# cd /var/www/extsuite/extman/addon/
    [root@localhost addon]# cp -r mailgraph_ext /usr/local/
    将下面的内容加入/etc/rc.local
    /usr/local/mailgraph_ext/mailgraph-init start &
    /var/www/extsuite/extman/daemon/cmdserver --daemon &
    安装所依懒的软件包
    [root@localhost mailgraph_ext]# yum -y install rrdtool perl-rrdtool perl-GD perl-File-Tail
   
    F、启动后台进程

    [root@localhost mailgraph_ext]# /usr/local/mailgraph_ext/mailgraph-init start
    Starting mail statistics grapher: mailgraph_ext

    G、访问extmail/extman
    打开浏览器,输入http://your_ip_address/extmail 注意:your_ip_address 为你实际的ip
    第一个测试用户为:postmaster 密码:extmail 域:extmail

    打开浏览器,输入http://your_ip_address/extman
    extman root 用户为:[email protected] 密码为:extmail*123*
    注意:进入系统后要修改密码及找回密码的提示问题、答案。

    11.安装dspam clamd
    yum install clamd dspam*
    进入mysql
    create database dspam;
    grant all on dspam.* to dspam@localhost identified by 'dspam';
    cd /usr/share/dspam/sql/mysql/
    修改mysql_objects-4.1.sql   virtual_users.sql,在两个文件前添加 use dspam;
    mysql -u dspam -p< mysql_objects-4.1.sql
    mysql -u dspam -p< virtual_users.sql
    crontab -e
    0 0 * * * /usr/bin/mysql -u dspam -p'dspam' dspam < /usr/share/dspam/sql/mysql/purge-4.1.sql
    0 0 * * * /usr/bin/dspam_logrotate -a 30 -d /var/spool/dspam/data
    修改/etc/dspam/dspam.conf
    MySQLServer             /var/lib/mysql/mysql.sock
    MySQLUser               dspam
    MySQLPass               dspam
    MySQLDb                 dspam
    MySQLCompress           true
    MySQLUIDInSignature        on
    ClamAVPort                3310   //开启clamd
    ClamAVHost                127.0.0.1
    ClamAVResponse        spam
    ServerPID              /var/run/dspam.pid
    ServerMode auto
    ServerParameters        "--user dspam --deliver=innocent,spam"
    ServerDomainSocketPath  "/tmp/dspam.sock"
    DeliveryHost        127.0.0.1
    DeliveryPort        10026
    DeliveryIdent       localhost
    DeliveryProto       SMTP
    ParseToHeaders on
    ChangeModeOnParse on
    ChangeUserOnParse full

    vi /etc/postfix/master.cf
    smtp      inet         n       -       n       -       -        smtpd
    To:
    smtp      inet         n       -       n       -       -        smtpd
       -o content_filter=lmtp:unix:/tmp/dspam.sock(-o 前面有三个空格)

    lmtp      unix  -       -       n       -       -       lmtp

    127.0.0.1:10026 inet    n    -    n    -    -    smtpd
        -o content_filter=
        -o local_recipient_maps=
        -o relay_recipient_maps=
        -o smtpd_restriction_classes=
        -o smtpd_helo_restrictions=
        -o smtpd_sender_restrictions=
        -o smtpd_recipient_restrictions=permit_mynetworks,reject
        -o mynetworks=127.0.0.0/8
        -o strict_rfc821_envelopes=yes
        -o smtpd_error_sleep_time=0
        -o smtpd_soft_error_limit=1001
        -o smtpd_hard_error_limit=1000
        -o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
    配置dspam web 在/usr/share/dspam/webui/cgi-bin
    vi admins
    添加admin
   
    [root@localhost ~]#htpasswd -c .htpasswd admin
    xx
    xx
    /etc/init.d/dspam-webd start
    [root@localhost ~]#chkconfig --level 345 dspamd on
    [root@localhost ~]#chmod -R 777 /usr/share/dspam
    [root@localhost ~]#service dspamd start
    至此,整个postfix算是安装完毕。重启计算机,访问:http://your ip/extmail/就能直接访问了。

在安装和使用过程中有什么问题,可以直接留言,或者发送到我的邮箱:[email protected]
 

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