cd /usr/ports/lang/php4

　　make config

　　make install clean

　　⑨安装php4-extensions。根据需要选择模块，保证[MYSQL]、[PCRE]、[SESSION]被选中。

cd /usr/ports/lang/php4-extensions
make config
make install clean


　　⑩安装postfixadmin。安装完成后将网页移动至/usr/www/data/

cd /usr/ports/mail/postfixadmin
make install clean
mv /usr/local/www/postfixadmin /usr/local/www/data/

　　○11安装squirrelmail

　　cd /usr/ports/mail/squirrelmail

　　make install clean

　　至此，所需软件全部安装完毕，下面将依次进行配置。

　　2、配置文件

　　①配置sasl

ee /usr/local/lib/sasl2/smtpd.conf
pwcheck_method: authdaemond
log_level: 3
mech_list: PLAIN LOGIN
authdaemond_path: /var/run/authdaemond/socket

　　②配置mysql数据库

chmod –R mysql:mysql /var/db/mysql
cd /usr/local/bin/
./mysql_install_db
cd /usr/local/libexec
./mysqld –user=mysql%26amp;
cd /usr/local/www/postfixadmin
mysql –uroot –p < DATABASE_MYSQL.TXT


　　③配置postfix

　　使用和apache一样的用户来读取邮件目录，因为apache用户为www，id:80，所以要注意/usr/local/etc/postfix/main.cf中的用户id。

　　mkdir –p /usr/local/virtual

　　chmod –R www:www /usr/local/virtual

　　ee /usr/local/etc/postfix/main.cf

　　在最后添加：

#======= BASE ==============
#myhostname =
#mydomain = example.com
home_mailbox = maildir/
#mydestination = $myhostname
#local_recipIEnt_maps =
#======= MYSQL =============
virtual_gid_maps = static:80
virtual_mailbox_base = /usr/local/virtual
virtual_uid_maps = static:80
virtual_minimum_uid = 80
virtual_alias_maps = mysql:/usr/local/etc/postfix/mysql/virtual_alias_maps.cf
virtual_mailbox_domains = mysql:/usr/local/etc/postfix/mysql/virtual_domains_maps.cf
virtual_mailbox_maps = mysql:/usr/local/etc/postfix/mysql/virtual_mailbox_maps.cf
#======= Quota ============
message_size_limit = 5242880
virtual_mailbox_limit_inbox = no
virtual_mailbox_limit_override = yes
virtual_maildir_extended = yes
virtual_create_maildirsize = yes
virtual_mailbox_limit_maps = mysql:/usr/local/etc/postfix/mysql/virtual_mailbox_limit_maps.cf
virtual_mailbox_limit = 52428800
#======== SASL ================
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_recipient_restrictions = permit_sasl_authenticated permit_auth_destination reject
#smtpd_sasl_local_domain = $mydomain
smtpd_client_restrictions = permit_sasl_authenticated

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