前提
系统为 Ubuntu , 版本为14.04, 其他版本问题应该不大
系统 hostname 为 zjc - 详见 —– 此步非必须
$ sudo su# echo zjc > /etc/hostname# exit
系统IP地址为
10.1.6.49一些地址映射 要加入/etc/hosts文件或者DNS
$ sudo apt-get install vim$ sudo vim /etc/hosts#自然，也可以用其他文本编辑器#新添加的项 10.1.6.49 zjc zjc.com vzjc.com mail.vzjc.com
修改完毕后最好重启一下机器
$ sudo shutdown -r now
安装依赖包
$ sudo apt-get install openssl telnet libsasl2-2 libsasl2-modules libsasl2-modules-sql sasl2-bin libpam-mysql1
安装mysql
$ sudo apt-get install mysql-client mysql-server
首次安装后会提示输入mysql密码，输入确认并记住，以后还需要用到
设置MySQL数据库
其中的
mail_admin和password-for-mail_admin为生成的数据库mail的用户名和密码，可以修改成自己的，但是一旦修改，后文中出现的地方都要修改。
$ mysql -u root -p Enter password: input your password mysql> CREATE DATABASE mail; mysql> USE mail; mysql> GRANT SELECT, INSERT, UPDATE, DELETE ON mail.* TO 'mail_admin'@'localhost' IDENTIFIED BY 'password-for-mail_admin'; mysql> GRANT SELECT, INSERT, UPDATE, DELETE ON mail.* TO 'mail_admin'@'127.0.0.1' IDENTIFIED BY 'password-for-mail_admin'; mysql> FLUSH PRIVILEGES; mysql> CREATE TABLE domains (domain varchar(50) NOT NULL, PRIMARY KEY (domain) ); mysql> CREATE TABLE forwardings (source varchar(80) NOT NULL, destination TEXT NOT NULL, PRIMARY KEY (source) ); mysql> CREATE TABLE users (email varchar(80) NOT NULL, password varchar(20) NOT NULL, PRIMARY KEY (email) ); mysql> CREATE TABLE transport ( domain varchar(128) NOT NULL default '', transport varchar(128) NOT NULL default '', UNIQUE KEY domain (domain) ); mysql> quit
安装Postfit及相关
$ sudo apt-get install postfix postfix-mysql postfix-doc mailutils
如果postfit弹出设置界面，那么
General type of mail configuration 选择 Internet Site
System Mail Name 选择 vzjc.com
配置Postfit
虚拟domain配置文件
$ sudo vim /etc/postfix/mysql-virtual_domains.cf
user = mail_adminpassword = password-for-mail_admindbname = mailquery = SELECT domain AS virtual FROM domains WHERE domain='%s'hosts = 127.0.0.112345
虚拟forwarding配置文件
$ sudo vim /etc/postfix/mysql-virtual_forwardings.cf
user = mail_adminpassword = password-for-mail_admindbname = mailquery = SELECT destination FROM forwardings WHERE source='%s'hosts = 127.0.0.112345
虚拟mailbox配置文件
$ sudo vim /etc/postfix/mysql-virtual_mailboxes.cf
user = mail_adminpassword = password-for-mail_admindbname = mailquery = SELECT CONCAT(SUBSTRING_INDEX(email,'@',-1),'/',SUBSTRING_INDEX(email,'@',1),'/') FROM users WHERE email='%s'hosts = 127.0.0.112345
虚拟email2email配置文件
$ sudo vim /etc/postfix/mysql-virtual_email2email.cf
user = mail_adminpassword = password-for-mail_admindbname = mailquery = SELECT email FROM users WHERE email='%s'hosts = 127.0.0.112345
设置权限
$ sudo chmod o= /etc/postfix/mysql-virtual_*.cf$ sudo chgrp postfix /etc/postfix/mysql-virtual_*.cf12
建立用户
$ sudo groupadd -g 5000 vmail$ sudo useradd -c 'VMail' -g vmail -u 5000 vmail -d /home/vmail -m12
使用postconf配置
此处有个需要注意的地方mynetworks应该包含本机的所有IP地址,例如我这里只有一个10.1.6.197,不然会导致发给自己的域的邮件接收不到。如果还是接收不到，那么重启机器看看
postconf -e 'myhostname = vzjc.com'postconf -e 'mydestination = vzjc.com, localhost, localhost.localdomain'postconf -e 'mynetworks = 127.0.0.0/8, 10.1.6.197'postconf -e 'message_size_limit = 30720000'postconf -e 'virtual_alias_domains ='postconf -e 'virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf'postconf -e 'virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf'postconf -e 'virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf'postconf -e 'virtual_mailbox_base = /home/vmail'postconf -e 'virtual_uid_maps = static:5000'postconf -e 'virtual_gid_maps = static:5000'postconf -e 'smtpd_sasl_auth_enable = yes'postconf -e 'broken_sasl_auth_clients = yes'postconf -e 'smtpd_sasl_authenticated_header = yes'postconf -e 'smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination'postconf -e 'smtpd_use_tls = yes'postconf -e 'smtpd_tls_cert_file = /etc/postfix/smtpd.cert'postconf -e 'smtpd_tls_key_file = /etc/postfix/smtpd.key'postconf -e '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'postconf -e 'virtual_transport = dovecot'postconf -e 'local_transport = dovecot'123456789101112131415161718192021
为postfix创建证书
$ cd /etc/postfix$ sudo openssl req -new -outform PEM -out smtpd.cert -newkey rsa:2048 -nodes -keyout smtpd.key -keyform PEM -days 3650 -x50912
更改证书权限
$ sudo chmod o= /etc/postfix/smtpd.key
配置saslauthd
$ sudo mkdir -p /var/spool/postfix/var/run/saslauthd$ sudo cp -a /etc/default/saslauthd /etc/default/saslauthd.bak12
$ sudo vim /etc/default/saslauthd
START=yesDESC="SASL Authentication Daemon"NAME="saslauthd"MECHANISMS="pam"MECH_OPTIONS=""THREADS=5OPTIONS="-c -m /var/spool/postfix/var/run/saslauthd -r"1234567
$ sudo vim /etc/pam.d/smtp
auth required pam_mysql.so user=mail_admin passwd=password-for-mail_admin host=127.0.0.1 db=mail table=users usercolumn=email passwdcolumn=password crypt=1account sufficient pam_mysql.so user=mail_admin passwd=password-for-mail_admin host=127.0.0.1 db=mail table=users usercolumn=email passwdcolumn=password crypt=112
$ sudo vim /etc/postfix/sasl/smtpd.conf
pwcheck_method: saslauthdmech_list: plain loginallow_plaintext: trueauxprop_plugin: sqlsql_engine: mysqlsql_hostnames: 127.0.0.1sql_user: mail_adminsql_passwd: password-for-mail_adminsql_database: mailsql_select: select password from users where email = '%u@%r'12345678910
设置权限
$ sudo chmod o= /etc/pam.d/smtp$ sudo chmod o= /etc/postfix/sasl/smtpd.conf12
重启服务
$ sudo adduser postfix sasl$ sudo service postfix restart$ sudo service saslauthd restart123
安装dovecot及相关
安装dovecot
$ sudo apt-get install dovecot-common dovecot-imapd dovecot-pop3d dovecot-mysql
弹出的选项中选择生成根证书，并且生成的证书dovecot.pem应该在/etc/dovecot/下面，key在/etc/dovecot/private下面。请确认这一点
hostname 填写 vzjc.com
配置dovecot
$ sudo vim /etc/postfix/master.cf
取消submission配置的注释：
submission inet n - - - - smtpd -o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=$mua_client_restrictions -o milter_macro_daemon_name=ORIGINATING123456
文件末尾增加
dovecot unix - n n - - pipe flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient} $ sudo cp -a /etc/dovecot/dovecot.conf /etc/dovecot/dovecot.conf.bak
清空文件/etc/dovecot/dovecot.conf，加入如下
$ sudo vim /etc/dovecot/dovecot.conf
: 1,$d 注意ssl_cert, ssl_key指向的证书和私钥必须存在 log_timestamp = "%Y-%m-%d %H:%M:%S "mail_location = maildir:/home/vmail/%d/%n/Maildirnamespace { inbox = yes location = prefix = INBOX. separator = . type = private}passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql}protocols = imap pop3disable_plaintext_auth = noauth_mechanisms = plain loginservice auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { mode = 0600 user = vmail } user = root}ssl = requiredssl_cert = dovecot-sql.conf
$ sudo cp -a /etc/dovecot/dovecot-sql.conf /etc/dovecot/dovecot-sql.conf.bak
$ sudo vim /etc/dovecot/dovecot-sql.conf
driver = mysqlconnect = host=127.0.0.1 dbname=mail user=mail_admin password=password-for-mail_admindefault_pass_scheme = CRYPTpassword_query = SELECT email as user, password FROM users WHERE email='%u';1234
$ sudo service dovecot restart
$ sudo chgrp vmail /etc/dovecot/dovecot.conf
$ sudo chmod g+r /etc/dovecot/dovecot.conf
设置mail aliases - 详见 – 这个是给sendmail程序用的吧，反正我是没看出来为啥要配置它
$ sudo vim /etc/aliases
postmaster: root
root:admin@vzjc.com
测试
添加邮件账户
$ mysql -u root -p Enter password: input your password mysql> USE mail; mysql> INSERT INTO domains (domain) VALUES ('vzjc.com'); mysql> INSERT INTO users (email, password) VALUES ('test1@vzjc.com', ENCRYPT('password-for-test1')); mysql> INSERT INTO users (email, password) VALUES ('test2@vzjc.com', ENCRYPT('password-for-test2')); mysql> INSERT INTO users (email, password) VALUES ('admin@vzjc.com', ENCRYPT('111111')); mysql> quit
本来以为用户名可以用 test1 形式， 而不用 test1@vzjc.com 形式呢，结果如果不加@时候收发邮件是时灵时不灵的。。。不测试了，用户名直接加域名得了
重启机器
做完上面操作后如果用
telnet vzjc.com 587，则显示不能连接，机器重启后就可以了 – 原因待查
$ sudo shutdown -r now
用telnet测试
$ telnet vzjc.com 587
$ telnet vzjc.com smtp $ telnet vzjc.com 110
用客户端测试
可以用ubuntu的thunderbird或者其他系统的outlook，foxmail等客户端测试，如果是其他机器上，注意一系列端口号一定要被服务器开放
FAQ:
解决Postfit不能群发的问题
参考：
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