CentOS5.5下PostFix邮件系统配置，采用比较简单的yum来进行安装，当然也可以用源码进行编译安装。
邮件postfix发送安装配置
[root@dyq ~]# yum -y install postfix #输入安装postfix Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: centos.ustc.edu.cn * base: centos.ustc.edu.cn * extras: centos.ustc.edu.cn * updates: centos.ustc.edu.cn addons | 951 B 00:00 base | 2.1 kB 00:00 extras | 2.1 kB 00:00 updates | 951 B 00:00 Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package postfix.i386 2:2.3.3-2.1.el5_2 set to be updated --> Finished Dependency Resolution Dependencies Resolved ==================================================== Package Arch Version Repository Size ==================================================== Installing: postfix i386 2:2.3.3-2.1.el5_2 base 3.6 M Transaction Summary ==================================================== Install 1 Package(s) Upgrade 0 Package(s) Total download size: 3.6 M Downloading Packages: postfix-2.3.3-2.1.el5_2.i386.rpm | 3.6 MB 00:27 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing : postfix 1/1 Installed: postfix.i386 2:2.3.3-2.1.el5_2 Complete! [root@dyq ~]# vim /etc/postfix/main.cf myhostname = mail.kiccleaf.com mydomain = kiccleaf.com myorigin=$mydomain inet_interfaces = all mydestination = $myhostname, localhost.$mydomain, localhost,$mydomain relay_domains = $mydestination mynetworks = 192.168.1.0/28, 127.0.0.0/8,60.191.49.228/24 #填写自己的公网ip home_mailbox = Maildir/ #smtpd_banner = $myhostname ESMTP $mail_name ($mail_version) ← 找到这一行，接此行添加如下行： smtpd_banner = $myhostname ESMTP unknow ← 添加这一行，不显示SMTP服务器的相关信息
在配置文件的文尾，添加如下行：
smtpd_sasl_auth_enable = yes ← 服务器使用SMTP认证 smtpd_sasl_local_domain = $myhostname ← 指定SMTP认证的本地域名（主机名） smtpd_sasl_security_options = noanonymous ← 不允许匿名的方式认证 smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination message_size_limit = 15728640 [root@dyq ~]# vi /usr/lib/sasl2/smtpd.conf pwcheck_method: saslauthd ← 找到此行，将“saslauthd”改为“auxprop” ↓ pwcheck_method: auxprop ← 不使用系统用户密码作为用户的SMTP认证密码 [root@dyq ~]# vi /etc/sysconfig/saslauthd MECH=shadow ← 找到这一行，在前面加# ↓ #MECH=shadow ← 不使用shadow机制 FLAGS= ← 找到此行，在等号后面添加“sasldb” ↓ FLAGS=sasldb ← 定义认证方式为sasldb2 [root@dyq ~]# mkdir /etc/skel/Maildir [root@dyq ~]# chmod 700 /etc/skel/Maildir [root@dyq ~]# ll /home/ total 8 drwx------ 2 mysql mysql 4096 Mar 18 00:51 mysql drwx------ 2 www www 4096 Mar 18 01:52 www [root@dyq ~]# adduser leaf #添加一个用户leaf [root@dyq ~]# ll /home/ #查看用户是否创建 total 12 drwx------ 3 leaf leaf 4096 Mar 21 11:02 leaf drwx------ 2 mysql mysql 4096 Mar 18 00:51 mysql drwx------ 2 www www 4096 Mar 18 01:52 www [root@dyq ~]# passwd leaf #配置leaf用户的密码 Changing password for user leaf. New UNIX password: #输入leaf用户密码 BAD PASSWORD: it is too simplistic/systematic Retype new UNIX password: #再次输入leaf用户密码 passwd: all authentication tokens updated successfully. [root@dyq ~]# mkdir /home/leaf/Maildir (默认情况下已经创建) mkdir: cannot create directory `/home/leaf/Maildir': File exists [root@dyq ~]# chmod 700 /home/leaf/Maildir [root@dyq ~]# chown leaf. /home/leaf/Maildir [root@dyq ~]# saslpasswd2 -u mail.kiccleaf.com -c leaf Password: #输入leaf用户密码 Again (for verification):#再次输入leaf用户密码 [root@dyq ~]# chgrp postfix /etc/sasldb2 [root@dyq ~]# chmod 640 /etc/sasldb2 [root@dyq ~]# alternatives --config mta There are 2 programs which provide 'mta'. Selection Command ----------------------------------------------- *+ 1 /usr/sbin/sendmail.sendmail 2 /usr/sbin/sendmail.postfix Enter to keep the current selection[+], or type selection number: 2 #选择2 [root@dyq ~]# chkconfig saslauthd on #添加到服务,以后可以直接用service saslauthd [start/stop/restart]进行操作 [root@dyq ~]# chkconfig --list saslauthd #查看是否为系统自动启动 2~5 为on saslauthd 0:off 1:off 2:on 3:on 4:on 5:on 6:off [root@dyq ~]# /etc/rc.d/init.d/saslauthd start #启动服务 Starting saslauthd: [ OK ] [root@dyq ~]# chkconfig postfix on #添加到服务,以后可以直接用service postfix [start/stop/restart]进行操作 [root@dyq ~]# chkconfig --list postfix #查看是否为系统自动启动 2~5 为on postfix 0:off 1:off 2:on 3:on 4:on 5:on 6:off [root@dyq ~]# /etc/rc.d/init.d/postfix start #启动服务 Starting postfix: [ OK ]
POP / IMAP 服务器的构建（ Dovecot ）
[root@dyq ~]# yum -y install dovecot Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: centos.ustc.edu.cn * base: centos.ustc.edu.cn * extras: centos.ustc.edu.cn * updates: centos.ustc.edu.cn addons | 951 B 00:00 base | 2.1 kB 00:00 extras | 2.1 kB 00:00 updates | 951 B 00:00 Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package dovecot.i386 0:1.0.7-7.el5 set to be updated --> Processing Dependency: libmysqlclient.so.15 for package: dovecot --> Processing Dependency: libmysqlclient.so.15(libmysqlclient_15) for package: dovecot --> Processing Dependency: libpq.so.4 for package: dovecot --> Running transaction check ---> Package mysql.i386 0:5.0.77-4.el5_5.4 set to be updated --> Processing Dependency: perl(DBI) for package: mysql ---> Package postgresql-libs.i386 0:8.1.22-1.el5_5.1 set to be updated --> Running transaction check ---> Package perl-DBI.i386 0:1.52-2.el5 set to be updated --> Finished Dependency Resolution Dependencies Resolved =================================================== Package Arch Version Repository Size =================================================== Installing: dovecot i386 1.0.7-7.el5 base 1.6 M Installing for dependencies: mysql i386 5.0.77-4.el5_5.4 updates 4.8 M perl-DBI i386 1.52-2.el5 base 600 k postgresql-libs i386 8.1.22-1.el5_5.1 updates 196 k Transaction Summary ================================================== Install 4 Package(s) Upgrade 0 Package(s) Total download size: 7.2 M Downloading Packages: (1/4): postgresql-libs-8.1.22-1.el5_5.1.i386.rpm | 196 kB 00:01 (2/4): perl-DBI-1.52-2.el5.i386.rpm | 600 kB 00:03 (3/4): dovecot-1.0.7-7.el5.i386.rpm | 1.6 MB 00:09 (4/4): mysql-5.0.77-4.el5_5.4.i386.rpm | 4.8 MB 00:34 ------------------------------------------------------------------------------------------- Total 151 kB/s | 7.2 MB 00:48 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing : perl-DBI 1/4 Installing : mysql 2/4 warning: /etc/my.cnf created as /etc/my.cnf.rpmnew Installing : postgresql-libs 3/4 Installing : dovecot 4/4 Installed: dovecot.i386 0:1.0.7-7.el5 Dependency Installed: mysql.i386 0:5.0.77-4.el5_5.4 perl-DBI.i386 0:1.52-2.el5 postgresql-libs.i386 0:8.1.22-1.el5_5.1 Complete! [root@dyq ~]# vi /etc/dovecot.conf protocols = imap pop3 default_mail_env = maildir:~/Maildir
#如果开启防火墙Iptables 请添加以下端口
[root@dyq ~]# iptables -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp--dport 25 -j ACCEPT [root@dyq ~]# iptables -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 110 -j ACCEPT [root@dyq ~]# iptables -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 143 -j ACCEPT [root@dyq ~]# /etc/rc.d/init.d/iptables save #保存刚添加的记录 Saving firewall rules to /etc/sysconfig/iptables: [ OK ] [root@dyq ~]# /etc/init.d/iptables restart #重启防火墙 Flushing firewall rules: [ OK ] Setting chains to policy ACCEPT: filter [ OK ] Unloading iptables modules: [ OK ] Applying iptables firewall rules: [ OK ] Loading additional iptables modules: ip_conntrack_netbios_n[ OK ] [root@dyq ~]# chkconfig dovecot on #添加到服务，以后可以直接用service dovecot [start/stop/restart]进行操作 [root@dyq ~]# chkconfig --list dovecot #查看是否为系统自动启动 2~5 为on dovecot 0:off 1:off 2:on 3:on 4:on 5:on 6:off [root@dyq ~]# /etc/rc.d/init.d/dovecot start #启动服务 Starting Dovecot Imap: [ OK ]
测试php邮件发送
[root@dyq www]# vim mail.php
<?php $to = 'kiccleaf@163.com'; $subject = 'the subject test'; $message = 'hello！测试用例！'; $headers = 'From: leaf@kiccleaf.com' . "\r\n" . 'Reply-To: leaf@kiccleaf.com' . "\r\n" . 'X-Mailer: PHP/' . phpversion(); mail($to, $subject, $message, $headers); ?>
打开浏览器http://youip/mail.php 再查看邮件是否已经收到邮件
也可以用foxmail客户端进行测试。