Postfix - Extmail 邮箱系统

2022-12-06 11:56:37

Postfix Dovecot Extmail 邮箱系统
早前的内部邮箱系统重新整理下；
现在Extmail官方有集成镜像的EMOS_1.6_x86_64免费版；可直接下载安装；
系统环境：

linux 6.7 x64 4G

hosts:

172.16.2.19

mail.18mail.com

一、准备 环境

简便的可以 yum 进行安装；安装 yum 源；

rpm -ivh http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm

rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm


1、环境的基础依赖包：

yum install gcc gcc-c++ gdbm libtool-ltdl

yum install cyrus-sasl-md5 perl-GD perl-DBD-MySQL perl-GD perl-CPAN perl-CGI perl-CGI-Session cyrus-sasl-lib cyrus-sasl-plain cyrus-sasl cyrus-sasl-devel libtool-ltdl-devel telnet mail libicu-devel

2、lamp 环境：

yum -y install httpd mysql-server mysql mysql-devel php56w php56w-fpm php56w-mysql php56w-common php56w-gd php56w-mbstring php56w-mcrypt php56w-devel php56w-xml php56w-imap php56w-pear php56w-snmp

二、安装 postfix dovecot

　　1、安装 postfix 

yum install postfix -y

创建邮箱属于账户组：

groupadd -g  18mail

useradd -g 18mail -u  -s /sbin/nologin 18mail

　　2、配置 postfix ：
　　postfix 的 需要更改的文件是 main.cf  和 master.cf  后面第六条会配置；

三、安装 dovecot

# yum install dovecot dovecot-devel dovecot-mysql pam-devel -y

四、安装 courier-authlib

　　1、courier-authlib 是需要 courier-unicode 依赖；

# wget https://sourceforge.net/projects/courier/files/courier-unicode/1.2/courier-unicode-1.2.tar.bz2

tar -jxvf 解压缩进行编译安装

# cd courier-unicode

# ./configure

# make && make install

　　2、先编译安装 courier-authlib：

# wget https://sourceforge.net/projects/courier/files/authlib/0.66.2/courier-authlib-0.66.2.tar.bz2

# tar -jxvf courier-authlib-0.66..tar.bz2

解压之后缩进行编译安装 
# cd courier-authlib

# ./configure --prefix=/usr/local/courier-authlib --sysconfdir=/etc --without-authpam --without-authshadow --without-authvchkpw --without-authpgsql --with-authmysql --with-mysql-libs=/usr/lib64/mysql --with-mysql-includes=/usr/include/mysql --with-redhat --with-authmysqlrc=/etc/authmysqlrc --with-authdaemonrc=/etc/authdaemonrc --with-mailuser=18mail

# make && make install

　　3、配置 courier-authlib：

# chmod  /usr/local/courier-authlib/var/spool/authdaemon

# cd /usr/local/courier-authlib/
拷贝 auth 验证文件：

# cp /etc/authdaemonrc.dist /etc/authdaemonrc

# cp /etc/authmysqlrc.dist /etc/authmysqlrc

　　4、配置验证方式：( 这里只使用了 authmysql )

# cat /etc/authdaemonrc |grep -v ^$ |grep -v ^#

authmodulelist="authmysql"

authmodulelistorig="authmysql"

daemons=

authdaemonvar=/usr/local/courier-authlib/var/spool/authdaemon

DEBUG_LOGIN=

DEFAULTOPTIONS=""

LOGGEROPTS=""

Postfix - Extmail 邮箱系统

　　5、配置验证存储信息 （邮箱的目录 数据存放库的名称 密码 以及自己的域名）

# cat /etc/authmysqlrc |grep -v ^$ |grep -v ^#

MYSQL_SERVER localhost

MYSQL_USERNAME extmail

MYSQL_PASSWORD extmail

MYSQL_SOCKET /var/lib/mysql/mysql.sock

MYSQL_PORT

MYSQL_OPT

MYSQL_DATABASE extmail

MYSQL_USER_TABLE mailbox

MYSQL_CRYPT_PWFIELD password

MYSQL_UID_FIELD uidnumber

MYSQL_GID_FIELD gidnumber

MYSQL_LOGIN_FIELD username

MYSQL_HOME_FIELD homedir

MYSQL_NAME_FIELD name

MYSQL_MAILDIR_FIELD maildir

MYSQL_QUOTA_FIELD quota

MYSQL_SELECT_CLAUSE SELECT username,password,"",uidnumber,gidnumber, \

CONCAT('/home/18mail/',homedir), \

CONCAT('/home/18mail/',maildir), \

quota, \

name, \

CONCAT("disableimap=",disableimap,",disablepop3=", \

disablepop3,",disablewebmail=",disablewebmail, \

",disablesmtpd=",disablesmtpd,",disablesmtp=", \

disablesmtp,",disablenetdisk=",disablenetdisk, \

",netdiskquota=",netdiskquota) \

FROM mailbox \

WHERE username = '$(local_part)@$(domain)'

DEFAULT_DOMAIN    18mail.com

　　6、courier-authlib 配置服务启动：

# cp courier-authlib.sysvinit /etc/init.d/courier-authlib

# chmod +x /etc/init.d/courier-authlib

# chkconfig --add courier-authlib

# chkconfig courier-authlib on

# echo "/usr/local/courier-authlib/lib/courier-authlib" >> /etc/ld.so.conf.d/courier-authlib.conf

# ldconfig

# service courier-authlib start

　　7、smtp以及虚拟用户相关的设置：
　　手动创建 smtpd.conf 文件

Postfix - Extmail 邮箱系统

# vi /usr/lib64/sasl2/smtpd.conf

pwcheck_method: authdaemond

log_level:

mech_list: PLAIN LOGIN

authdaemond_path:/usr/local/courier-authlib/var/spool/authdaemon/socket

五、安装 extmail

# wget http://7xivyw.com1.z0.glb.clouddn.com/extmail-1.2.tar.gz

# wget http://7xivyw.com1.z0.glb.clouddn.com/extman-1.1.tar.gz

下载地址失效
链接：https://pan.baidu.com/s/1rAK-g6UdRXNgw4YFGfZGWQ 
提取码：klzr 

　　1、创建extmail 临时文件目录与session目录；并设置邮箱账户的用户组的权限；

# mkdir -p /tmp/extmail/upload

# chown -R 18mail:18mail /tmp/extmail/

同样的为 extman创建临时目录：

# mkdir /tmp/extman

# chown -R 18mail:18mail /tmp/extman/

　　2、在 http web创建extsuite 目录 （ 默认/var/www/ ）

# mkdir -p /var/www/extsuite 

解压缩 extmail extman 至 /var/www/extsuite 目录

更改 extmail 和 extman 下的 cgi目录的属主属组：

# chown -R 18mail:18mail /var/www/extsuite/

　　3、配置 extmail 相关配置；

# cd /var/www/extsuite/extmail

# cp -rp webmail.cf.default webmail.cf

　　更改 webmail.cf 配置

# cat /var/www/extsuite/extmail/webmail.cf |grep -v ^$ |grep -v ^#

SYS_CONFIG = /var/www/extsuite/extmail/

SYS_LANGDIR = /var/www/extsuite/extmail/lang

SYS_TEMPLDIR = /var/www/extsuite/extmail/html

SYS_HTTP_CACHE =

SYS_SMTP_HOST = localhost

SYS_SMTP_PORT =

SYS_SMTP_TIMEOUT =

SYS_SPAM_REPORT_ON =

SYS_SPAM_REPORT_TYPE = dspam

SYS_SHOW_WARN =

SYS_IP_SECURITY_ON =

SYS_PERMIT_NOQUOTA =

SYS_SESS_DIR = /tmp/extmail

SYS_UPLOAD_TMPDIR = /tmp/extmail/upload

SYS_LOG_ON =

SYS_LOG_TYPE = syslog

SYS_LOG_FILE = /var/log/extmail.log

SYS_SESS_TIMEOUT =

SYS_SESS_COOKIE_ONLY =

SYS_USER_PSIZE =

SYS_USER_SCREEN = auto

SYS_USER_LANG = zh_CN

SYS_APP_TYPE = WebMail

SYS_USER_TEMPLATE = default

SYS_USER_CHARSET = utf-

SYS_USER_TRYLOCAL =

SYS_USER_TIMEZONE = +

SYS_USER_CCSENT =

SYS_USER_SHOW_HTML =

SYS_USER_COMPOSE_HTML =

SYS_USER_CONV_LINK =

SYS_USER_ADDR2ABOOK =

SYS_MESSAGE_SIZE_LIMIT =

SYS_MIN_PASS_LEN =

SYS_MFILTER_ON =

SYS_NETDISK_ON =

SYS_SHOW_SIGNUP =

SYS_DEBUG_ON =

SYS_AUTH_TYPE = mysql

SYS_MAILDIR_BASE = /home/18mail

SYS_AUTH_SCHEMA = virtual

SYS_CRYPT_TYPE = md5crypt

SYS_MYSQL_USER = extmail

SYS_MYSQL_PASS = extmail

SYS_MYSQL_DB = extmail

SYS_MYSQL_HOST = localhost

SYS_MYSQL_SOCKET = /var/lib/mysql/mysql.sock

SYS_MYSQL_TABLE = mailbox

SYS_MYSQL_ATTR_USERNAME = username

SYS_MYSQL_ATTR_DOMAIN = domain

SYS_MYSQL_ATTR_PASSWD = password

SYS_MYSQL_ATTR_CLEARPW = clearpwd

SYS_MYSQL_ATTR_QUOTA = quota

SYS_MYSQL_ATTR_NDQUOTA = netdiskquota

SYS_MYSQL_ATTR_HOME = homedir

SYS_MYSQL_ATTR_MAILDIR = maildir

SYS_MYSQL_ATTR_DISABLEWEBMAIL = disablewebmail

SYS_MYSQL_ATTR_DISABLENETDISK = disablenetdisk

SYS_MYSQL_ATTR_DISABLEPWDCHANGE = disablepwdchange

SYS_MYSQL_ATTR_ACTIVE = active

SYS_MYSQL_ATTR_PWD_QUESTION = question

SYS_MYSQL_ATTR_PWD_ANSWER = answer

SYS_LDAP_BASE = o=extmailAccount,dc=example.com

SYS_LDAP_RDN = cn=Manager,dc=example.com

SYS_LDAP_PASS = secret

SYS_LDAP_HOST = localhost

SYS_LDAP_ATTR_USERNAME = mail

SYS_LDAP_ATTR_DOMAIN = virtualDomain

SYS_LDAP_ATTR_PASSWD = userPassword

SYS_LDAP_ATTR_CLEARPW = clearPassword

SYS_LDAP_ATTR_QUOTA = mailQuota

SYS_LDAP_ATTR_NDQUOTA = netdiskQuota

SYS_LDAP_ATTR_HOME = homeDirectory

SYS_LDAP_ATTR_MAILDIR = mailMessageStore

SYS_LDAP_ATTR_DISABLEWEBMAIL = disablewebmail

SYS_LDAP_ATTR_DISABLENETDISK = disablenetdisk

SYS_LDAP_ATTR_DISABLEPWDCHANGE = disablePasswdChange

SYS_LDAP_ATTR_ACTIVE = active

SYS_LDAP_ATTR_PWD_QUESTION = question

SYS_LDAP_ATTR_PWD_ANSWER = answer

SYS_AUTHLIB_SOCKET = /usr/local/courier-authlib/var/spool/authdaemon/socket

SYS_G_ABOOK_TYPE = file

SYS_G_ABOOK_LDAP_HOST = localhost

SYS_G_ABOOK_LDAP_BASE = ou=AddressBook,dc=example.com

SYS_G_ABOOK_LDAP_ROOTDN = cn=Manager,dc=example.com

SYS_G_ABOOK_LDAP_ROOTPW = secret

SYS_G_ABOOK_LDAP_FILTER = objectClass=OfficePerson

SYS_G_ABOOK_FILE_PATH = /var/www/extsuite/extmail/globabook.cf

SYS_G_ABOOK_FILE_LOCK =

SYS_G_ABOOK_FILE_CONVERT =

SYS_G_ABOOK_FILE_CHARSET = utf-

　　4、配置 extman 文件

# cd /var/www/extsuite/extmail

# cp -rp webman.cf.default webman.cf

　　　更改 extman.cf 配置

# cat /var/www/extsuite/extman/webman.cf |grep -v ^$ |grep -v ^#

SYS_CONFIG = /var/www/extsuite/extman/

SYS_LANGDIR = /var/www/extsuite/extman/lang

SYS_TEMPLDIR = /var/www/extsuite/extman/html

SYS_MAILDIR_BASE = /home/18mail

SYS_SHOW_WARN =

SYS_SESS_DIR = /tmp/extman/

SYS_CAPTCHA_ON =

SYS_CAPTCHA_KEY = r3s9b6a7

SYS_CAPTCHA_LEN =

SYS_PURGE_DATA =

SYS_PSIZE =

SYS_APP_TYPE = ExtMan

SYS_TEMPLATE_NAME = default

SYS_DEFAULT_EXPIRE = 1y

SYS_GROUPMAIL_SENDER = postmaster@extmail.org

SYS_DEFAULT_SERVICES = webmail,smtpd,smtp,pop3,netdisk

SYS_ISP_MODE = no

SYS_DOMAIN_HASHDIR = yes

SYS_DOMAIN_HASHDIR_DEPTH = 2x2

SYS_USER_HASHDIR = yes

SYS_USER_HASHDIR_DEPTH = 2x2

SYS_MIN_UID =

SYS_MIN_GID =

SYS_DEFAULT_UID =

SYS_DEFAULT_GID =

SYS_QUOTA_MULTIPLIER =

SYS_QUOTA_TYPE = courier

SYS_DEFAULT_MAXQUOTA =

SYS_DEFAULT_MAXALIAS =

SYS_DEFAULT_MAXUSERS =

SYS_DEFAULT_MAXNDQUOTA =

SYS_USER_DEFAULT_QUOTA =

SYS_USER_DEFAULT_NDQUOTA =

SYS_USER_DEFAULT_EXPIRE = 1y

SYS_BACKEND_TYPE = mysql

SYS_CRYPT_TYPE = md5crypt

SYS_MYSQL_USER = extman

SYS_MYSQL_PASS = extmail

SYS_MYSQL_DB = extmail

SYS_MYSQL_HOST = localhost

SYS_MYSQL_SOCKET = /var/lib/mysql/mysql.sock

SYS_MYSQL_TABLE = manager

SYS_MYSQL_ATTR_USERNAME = username

SYS_MYSQL_ATTR_PASSWD = password

SYS_LDAP_BASE = dc=extmail.org

SYS_LDAP_RDN = cn=Manager,dc=extmail.org

SYS_LDAP_PASS = secret

SYS_LDAP_HOST = localhost

SYS_LDAP_ATTR_USERNAME = mail

SYS_LDAP_ATTR_PASSWD = userPassword

SYS_RRD_DATADIR = /var/lib

SYS_RRD_TMPDIR = /tmp/viewlog

SYS_RRD_QUEUE_ON = yes

SYS_CMDSERVER_SOCK = /tmp/cmdserver.sock

SYS_CMDSERVER_MAXCONN =

SYS_CMDSERVER_PID = /var/run/cmdserver.pid

SYS_CMDSERVER_LOG = /var/log/cmdserver.log

SYS_CMDSERVER_AUTHCODE = your_auth_code_here

SYS_IGNORE_SERVER_LIST = web

　　5、extmail 数据库导入；
　　　　5.1  导入前需要更改两项配置；
　　　　my.cnf 取消 SSL 验证 ；不然会报 'ssl_cipher' 错？

# vi /etc/my.cnf

注释这一行；待数据导入之后再取消注释；

# sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

　　　　5.2 编辑 extmail.sql 数据库文件

　　　　msyql 数据库不能识别 TYPE=MyISAM，需要把 TYPE=MyISAM 更改为 ENGINE=MyISAM

# sed -i 's/TYPE/ENGINE/g' /var/www/extsuite/extman/docs/extmail.sql

　　　　5.3 编辑 init.sql
　　　　可以把默认的域更改成自己域 (我自己的是 18mail.com)

# sed -i 's/extmail.org/18mail.com/g' /var/www/extsuite/extman/docs/init.sql

　　　　5.4 开始导入数据库；

mysql -u root -p < /var/www/extsuite/extman/docs/extmail.sql

mysql -u root -p < /var/www/extsuite/extman/docs/init.sql

Postfix - Extmail 邮箱系统

　　5.5 数据导入成功后 设置两个 extmail 远程账户；

# mysql -uroot -p 进入数据库 设置extmail库 localhost远程账户
# /etc/init.d/msyqld start

> use extmail;

> grant all on extmail.* to 'extmail'@'%' identified by 'extmail';

> flush privilege;

> use extmail;

> grant all on extmail.* to 'extman'@'%' identified by 'extmail';

> flush privileges;

# chkconfig mysqld on

六、配置 postfix 结合 extmail; 

　　1、拷贝 extmail 下的数据链接文件到 postfix 下

Postfix - Extmail 邮箱系统

拷贝数据连接文件:

# mkdir /etc/postfix/sql
# cp -rp /var/www/extsuite/extman/docs/mysql_virtual_* /etc/postfix/sql

　　 2、设置 postfix SMTP认证 和 虚拟账户；

　　　　2.1 配置 main.cf 

# vi /etc/postfix/main.cf

queue_directory = /var/spool/postfix

command_directory = /usr/sbin

daemon_directory = /usr/libexec/postfix

data_directory = /var/lib/postfix

mail_owner = postfix

inet_interfaces = all

inet_protocols = all

myhostname = mail.18mail.com

mydomain = 18mail.com

myorigin = $mydomain

# mydestination = $myhostname, localhost.$mydomain, localhost

mydestination =

mynetworks = 0.0.0.0/

# 可以设置允许的网段访问

local_recipient_maps =

unknown_local_recipient_reject_code =

alias_maps = hash:/etc/aliases

alias_database = hash:/etc/aliases

debug_peer_level =

debugger_command =

PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin

ddd $daemon_directory/$process_name $process_id & sleep

sendmail_path = /usr/sbin/sendmail.postfix

newaliases_path = /usr/bin/newaliases.postfix

mailq_path = /usr/bin/mailq.postfix

setgid_group = postdrop

html_directory = no

manpage_directory = /usr/share/man

sample_directory = /usr/share/doc/postfix-2.6./samples

readme_directory = /usr/share/doc/postfix-2.6./README_FILES

#启用SMTP认证

smtpd_sasl_auth_enable = yes

smtpd_sasl_local_domain = $myhostname

smtpd_sasl_type = dovecot

smtpd_sasl_security_options = noanonymous

smtpd_sasl_path = /var/spool/postfix/private/auth

smtpd_banner = $myhostname ESMTP $mail_name

smtpd_sender_restrictions =

permit_mynetworks,

reject_sender_login_mismatch,

reject_authenticated_sender_login_mismatch,

reject_unauthenticated_sender_login_mismatch

smtpd_sasl_application_name = smtpd

broken_sasl_auth_clients = yes

smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination

smtpd_sasl_security_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination

smtpd_client_restrictions = permit_mynetworks,permit_sasl_authenticated

smtpd_sender_login_maps =

mysql:/etc/postfix/sql/mysql_virtual_sender_maps.cf,

mysql:/etc/postfix/sql/mysql_virtual_alias_maps.cf

#启用虚拟用户

virtual_mailbox_base = /home/18mail/

# 前面创建的邮件18mail账户  配置链接前面从extman拷贝的 mysql_virtual* 文件

virtual_mailbox_domains = proxy:mysql:/etc/postfix/sql/mysql_virtual_domains_maps.cf

proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps

virtual_alias_maps = mysql:/etc/postfix/sql/mysql_virtual_alias_maps.cf

virtual_mailbox_domains = mysql:/etc/postfix/sql/mysql_virtual_domains_maps.cf

virtual_mailbox_maps = mysql:/etc/postfix/sql/mysql_virtual_mailbox_maps.cf

virtual_transport = maildrop:

virtual_uid_maps = static:

virtual_gid_maps = static:

virtual_transport = dovecot

dovecot_destination_recipient_limit =

　　2.2配置 master.cf

Postfix - Extmail 邮箱系统

添加以下两行；flaage 前需要有空格

# vi /etc/postfix/master.cf

dovecot unix - n n - - pipe

　　flags=DRhu user=18mail:18mail argv=/usr/libexec/dovecot/dovecot-lda -f ${sender} -d ${recipient}

　　3、配置 dovecot

　　　　3.1 dovecot.conf 文件

[root@18mail dovecot]# vi dovecot.conf 

protocols = imap pop3

listen = *

# 日志目录 文件需要设置为 dovecot 权限；

info_log_path = /var/log/dovecot-info.log

debug_log_path = /var/log/dovecot-debug.log

dict {

#quota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext

#expire = sqlite:/etc/dovecot/dovecot-dict-sql.conf.ext

}

!include conf.d/*.conf

!include_try /etc/dovecot/local.conf

# dovecot-sql.conf.ext 下面自己创建编辑

passdb {

driver = sql

args = /etc/dovecot/dovecot-sql.conf.ext

# 这个可以在当前目录手动创建

}

# 18mail 为前面创建的邮箱专用账户

userdb {

driver = static

args = uid=5000 gid=5000 home=/home/18mail/%d/%n

}

####调试日志

auth_debug_passwords=yes

mail_debug=yes

auth_verbose=yes

auth_verbose_passwords=plain

　　3.2 手动创建  dovecot-sql.conf.ext 认证文件

Postfix - Extmail 邮箱系统

需要设置 extmail 账户密码

# vi dovecot-sql.conf.ext

driver = mysql

connect = host=localhost dbname=extmail user=extmail password=extmail

default_pass_scheme = MD5-CRYPT

password_query = SELECT username AS user,password FROM mailbox WHERE username = '%u' AND active=''

user_query = SELECT maildir,  AS uid,  AS gid, CONCAT('dict:storage=',floor(quota/),' proxy::quota') as quota FROM mailbox WHERE username = '%u' AND active=''

　　4、配置之后 进行重启

# service postfix restart

# chkconfig postfix on

# service dovecot restart

# chkconfig dovecot on

七、配置 httpd

　　1、unix-syslog 安装

　　配置httpd后启动时会有unix-syslog 报错；需要安装 UNIX-syslog 模块；

# wget http://www.cpan.org/authors/id/M/MH/MHARNISCH/Unix-Syslog-1.1.tar.gz

解压缩进行编译安装

# cd Unix-Syslog

# perl Makefile.PL

# make && make install

　　2、配置 extmail 虚拟主机；

　　　　2.1 配置httpd.conf

　　　　最后添加两行指定一个extmail虚拟主机；

# vi /etc/httpd/conf/httpd.conf
# 指定extmail虚拟主机

NameVirtualHost *:

Include conf/vhost_extmail.conf

　　　　2.2 配置虚拟  vhost_extmail.conf 主机：

Postfix - Extmail 邮箱系统

# vi /var/www/conf/vhost_extmail.conf 

<VirtualHost *:>

ServerName mail.18mail.com

DocumentRoot /var/www/extsuite/extmail/html/

ScriptAlias /extmail/cgi/    /var/www/extsuite/extmail/cgi/

Alias /extmail    /var/www/extsuite/extmail/html/

ScriptAlias /extman/cgi/    /var/www/extsuite/extman/cgi/

Alias /extman    /var/www/extsuite/extman/html/

SuexecUserGroup 18mail 18mail

</VirtualHost>

 　　3、启动 web 

# /etc/init.d/httpd restart

# chkconfig httpd on

八、防火墙配置 

　　1、配置 iptables 开放相关端口 25 110 143 80 3306 （由于没有开启SSL 验证 都是非加密协议端口 ）

# vi /etc/sysconfig/iptables

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

重新启动iptables 
# /ect/init.d/iptables restart

九、收发测试 
　　http://mail.18mail.com

extman 默认的登录账户密码root@extmail.org 和 extmail*123*；
前面在 init.sql 更改为自己的域 18mail.com；;我可以用自己的进行登陆；

　　1、如果登陆进入邮箱管理后台 不显示目录菜单 提示 "No such file or directory" ？

在extman 绝对目录下执行加载 cmdserver 即可；

# cmdserver --daemon

Postfix - Extmail 邮箱系统

　　2、web 管理端 登陆测试：

Postfix - Extmail 邮箱系统

　　3、web 客户端 收发测试：

Postfix - Extmail 邮箱系统

　　4、 Foxmail 客户端 收发测试

Postfix - Extmail 邮箱系统

　　5、外网邮箱发送测试

Postfix - Extmail 邮箱系统

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