dovecot+mariadb

[root@westos-mail postfix]# yum install php httpd php-mysql.x86_64 mariadb-server.x86_64 -y[root@westos-mail postfix]# systemctl start mariadb[root@westos-mail postfix]# mysql_secure_installation   ##初始化数据库/usr/bin/mysql_secure_installation: line 379: find_mysql_client: command not foundNOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!In order to log into MariaDB to secure it, we'll need the currentpassword for the root user.  If you've just installed MariaDB, andyou haven't set the root password yet, the password will be blank,so you should just press enter here.Enter current password for root (enter for none): OK, successfully used password, moving on...Setting the root password ensures that nobody can log into the MariaDBroot user without the proper authorisation.Set root password? [Y/n] yNew password: Re-enter new password: Password updated successfully!Reloading privilege tables.. ... Success!By default, a MariaDB installation has an anonymous user, allowing anyoneto log into MariaDB without having to have a user account created forthem.  This is intended only for testing, and to make the installationgo a bit smoother.  You should remove them before moving into aproduction environment.Remove anonymous users? [Y/n]  ... Success!Normally, root should only be allowed to connect from 'localhost'.  Thisensures that someone cannot guess at the root password from the network.Disallow root login remotely? [Y/n]  ... Success!By default, MariaDB comes with a database named 'test' that anyone canaccess.  This is also intended only for testing, and should be removedbefore moving into a production environment.Remove test database and access to it? [Y/n]  - Dropping test database... ... Success! - Removing privileges on test database... ... Success!Reloading the privilege tables will ensure that all changes made so farwill take effect immediately.Reload privilege tables now? [Y/n]  ... Success!Cleaning up...All done!  If you've completed all of the above steps, your MariaDBinstallation should now be secure.Thanks for using MariaDB![root@westos-mail postfix]# mysql -uroot -predhatWelcome to the MariaDB monitor.  Commands end with ; or \g.Your MariaDB connection id is 10Server version: 5.5.35-MariaDB MariaDB ServerCopyright (c) 2000, 2013, Oracle, Monty Program Ab and others.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.MariaDB [(none)]> quitBye首先得有phpmyadmin这个包[root@westos-mail postfix]# tar jxf /mnt/phpMyAdmin-3.4.0-all-languages.tar.bz2 -C /var/www/html/[root@westos-mail postfix]# cd /var/www/html/[root@westos-mail html]# lsphpMyAdmin-3.4.0-all-languages[root@westos-mail html]# mv phpMyAdmin-3.4.0-all-languages/ mysqladmin[root@westos-mail html]# cd mysqladmin/[root@westos-mail mysqladmin]# cp -p config.sample.inc.php config.inc.php [root@westos-mail mysqladmin]# vim config.inc.php $cfg['blowfish_secret'] = 'mysql'; /* YOU MUST FILL IN THIS FOR COOKIE AUTH! */[root@westos-mail mysqladmin]# systemctl start httpd

打开浏览器 172.25.254.120/mysqladmin ,用root用户登陆，创建email库

[root@westos-mail mysqladmin]# mysql -uroot -predhatMariaDB [mysql]> create user postuser@localhost identified by 'postuser';Query OK, 0 rows affected (0.00 sec)MariaDB [mysql]> grant select,update,insert on email.* to postuser@localhost;Query OK, 0 rows affected (0.00 sec)MariaDB [mysql]> show grants for postuser@localhost;

[root@westos ~]# yum install dovecot dovecot-mysql -y  ##dovecot-mysql是dovecot软件的插件，可以识别mysql[root@westos ~]# vim /etc/dovecot/dovecot.conf  ##主配置文件24 protocols = imap pop3 lmtp   ##支持的认证方式 lmtp-加密协议48 login_trusted_networks = 0.0.0.0/0   ##信任网络（允许谁连接） 0.0.0.0/0（=all）49 disable_plaintext_auth = no  ##允许铭文认证[root@westos ~]# vim /etc/dovecot/conf.d/10-auth.conf123 !include auth-sql.conf.ext  ##开启mysql认证方式###生成dovecot读取mysql的配置[root@westos ~]# cp /usr/share/doc/dovecot-2.2.10/example-config/dovecot-sql.conf.ext /etc/dovecot/dovecot-sql.conf.ext[root@westos ~]# vim /etc/dovecot/dovecot-sql.conf.ext  32 driver = mysql 71 connect = host=localhost dbname=email user=postuser password=postuser   ##查询时用到的库 78 default_pass_scheme = PLAIN107 password_query = \  ##查询密码匹配108   SELECT username, domain, password \109   FROM emailuser WHERE username = '%u' AND domain = '%d'125 user_query = SELECT maildir, 666 AS uid, 666 AS gid FROM emailuser WHERE username = '%u'    ##查询邮件内容[root@westos ~]# vim /etc/dovecot/conf.d/10-mail.conf  30 mail_location = maildir:/home/vmail/%d/%n   ##指定邮件位置168 first_valid_uid = 666           ##指定邮件文件查询的用户身份175 first_valid_gid = 666[root@westos ~]# systemctl restart dovecot

【测试】[root@westos ~]# telnet 172.25.254.10 110Trying 172.25.254.10...Connected to 172.25.254.10.Escape character is '^]'.+OK [XCLIENT] Dovecot ready.user [e-mail]+OKpass lee+OK Logged in.quit