使用postfix，cyrus-sasl，courier-authlib，mysql，dovecot，extmail，extman搭建電子郵件系統，可以使用web方式以虛擬賬號注冊登錄郵箱，并且發送接受郵件，實現電子郵件功能。

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配置詳細步驟如下

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搭建dns服務 dns指向 [root@localhost ~]# vim /etc/resolv.conf nameserver192.168.20.20 [root@mail ~]# mkdir /mnt/cdrom [root@mail ~]# mount /dev/cdrom /mnt/cdrom mount: block device /dev/cdrom is write-protected, mounting read-only [root@mail ~]# cd /mnt/cdrom/Server/ [root@mail Server]# yum install bind [root@mail Server]# yum install bind-chroot [root@mail Server]# yum install caching* [root@mail Server]# cd /var/named/chroot/etc/ [root@mail etc]# cp -p named.caching-nameserver.conf named.conf [root@mail etc]# vim named.conf listen-on port 53 { any; }; allow-query{ any; }; allow-query-cache { any; }; match-clients{ any; }; match-destinations { any; }; [root@mail etc]# cd /var/named/chroot/var/named/ [root@mail named]# cp -p localhost.zone a.org.zone [root@mail named]# vim a.org.zone $TTL86400 @IN SOA?ns.a.org.?????? root ( 42????????????? ; serial (d. adams) 3H????????????? ; refresh 15M???????????? ; retry 1W??????? ??????; expiry 1D )??????????? ; minimum IN NS?????????? ns.a.org. nsIN A??????????? 192.168.20.20 mailIN A??????????? 192.168.20.20 POP3IN CNAME??????? mail smtpIN CNAME??????? mail @IN MX 10??????? mail [root@mail named]# service named start 啟動 named：[確定] [root@mail named]# rndc reload server reload successful [root@mail named]# chkconfig named on 關閉sendmail [root@mail named]# service sendmail stop 關閉 sm-client：[確定] 關閉 sendmail：[確定] [root@mail named]# chkconfig sendmail off 安裝所需的rpm包 [root@mail named]# yum install httpd?php?php-mysql?mysql?mysql-server?mysql-devel?openssl-devel?dovecot?perl-DBD-MySQL?tcl?tcl-devel?libart_lgpl?libart_lgpl-devel libtool-ltdl?libtool-ltdl-devel?expect 啟動mysql數據庫，并給用戶設置密碼 [root@mail named]# service mysqld start 啟動 MySQL：[確定] [root@mail named]# chkconfig mysqld on [root@mail named]# mysql Welcome to the MySQL monitor.?Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.0.77 Source distribution Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> SET?PASSWORD FOR root@'localhost'=PASSWORD('redhat'); Query OK, 0 rows affected (0.00 sec) mysql> SET?PASSWORD FOR root@'127.0.0.1'=PASSWORD('redhat'); Query OK, 0 rows affected (0.00 sec) mysql> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.00 sec) mysql> GRANT?ALL PRIVILEGES ON *.* TO root@'%' IDENTIFIED BY 'redhat'; Query OK, 0 rows affected (0.00 sec) mysql> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.01 sec) 一：安裝postfix [root@mail ~]# tar -zxvf postfix-2.8.2.tar.gz?-C /usr/local/src [root@mail ~]# cd /usr/local/src/ [root@mail src]# cd postfix-2.8.2/ [root@mail postfix-2.8.2]# groupadd -g 2525 postfix [root@mail postfix-2.8.2]# useradd -g postfix -u 2525 -s /sbin/nologin -M postfix [root@mail postfix-2.8.2]# groupadd -g 2526 postdrop [root@mail postfix-2.8.2]# useradd -g postdrop -u 2526 -s /bin/false -M postdrop [root@mail postfix-2.8.2]# make makefiles 'CCARGS=-DHAS_MYSQL -I/usr/include/mysql -DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/include/sasl?-DUSE_TLS ' 'AUXLIBS=-L/usr/lib/mysql -lmysqlclient -lz -lm -L/usr/lib/sasl2 -lsasl2-lssl -lcrypto' [root@mail postfix-2.8.2]?make [root@mail postfix-2.8.2] make install 生成別名二進制文件 [root@mail postfix-2.8.2]# newaliases [root@mail postfix-2.8.2]# postfix start postfix/postfix-script: starting the Postfix mail system [root@mail postfix-2.8.2]# postconf -m btree cidr environ hash internal mysql//postfix支持mysql [root@mail postfix-2.8.2]# postconf -a cyrus dovecot [root@mail postfix-2.8.2]# mkdir?/tmp/abc [root@mail postfix-2.8.2]# cd /tmp/abc/ [root@mail abc]# cp /mnt/cdrom/Server/postfix-2.3.3-2.1.el5_2.i386.rpm./ [root@mail abc]# rpm2cpio postfix-2.3.3-2.1.el5_2.i386.rpm?|cpio -id [root@mail ~]# cd /tmp/abc/etc/rc.d/init.d/ [root@mail init.d]# cp postfix?/etc/init.d/ [root@mail init.d]# service postfix start 啟動 postfix：[確定] [root@mail init.d]# chkconfig --add postfix [root@mail init.d]# chkconfig --list |grep postfix postfix0:關閉1:關閉2:啟用3:啟用4:啟用5:啟用6:關閉 編輯postfix文檔 [root@mail init.d]# vim /etc/postfix/main.cf myhostname = mail.a.org mydomain = a.org myorigin = $mydomain inet_interfaces = all mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mynetworks = ?127.0.0.0/8 [root@mail init.d]# service postfix restart 關閉 postfix：[確定] 啟動 postfix：[確定] 二：為postfix開啟基于cyrus-sasl的認證功能 [root@mail init.d]# vim /etc/postfix/main.cf ############################CYRUS-SASL############################ 655 broken_sasl_auth_clients = yes 656 smtpd_recipient_restrictions=permit_mynetworks,permit_sasl_authenticated,reject_invalid_hostname,reject_non_fqdn_hostname,reject_unknown_sender_domain,reject_non_fqdn_sende??? r,reject_non_fqdn_recipient,reject_unknown_recipient_domain,reject_unauth_pipelining,r??? eject_unauth_destination 657 smtpd_sasl_auth_enable = yes 658 smtpd_sasl_local_domain = $myhostname 659 smtpd_sasl_security_options = noanonymous [root@mail init.d]# cd /usr/lib/sasl2/ [root@mail init.d]# cd /usr/lib/sasl2/ [root@mail sasl2]# cp -p Sendmail.conf smtpd.conf [root@mail sasl2]# vim smtpd.conf pwcheck_method:saslauthd mech_list: LOGIN PLAIN [root@mail sasl2]# service saslauthd start 啟動 saslauthd：[確定] [root@mail sasl2]# chkconfig saslauthd on [root@mail sasl2]# telnet 127.0.0.1 25 ehlo 127.0.0.1 250-mail.a.org 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 三：安裝Courier authentication library [root@mail ~]# tar -jxvf courier-authlib-0.63.1.20111230.tar.bz2?-C /usr/local/src/ [root@mail courier-authlib-0.63.1.20111230]# ./configure --prefix=/usr/local/courier-authlib --sysconfdir=/etc --with-authmysql --with-mysql-libs=/usr/lib/mysql --with-mysql-includes=/usr/include/mysql --with-redhat --with-authmysqlrc=/etc/authmysqlrc --with-authdaemonrc=/etc/authdaemonrc --with-ltdl-lib=/usr/lib --with-ltdl-include=/usr/include [root@mail courier-authlib-0.63.1.20111230]# make [root@mail courier-authlib-0.63.1.20111230]# make install [root@mail courier-authlib-0.63.1.20111230]# chmod 755 /usr/local/courier-authlib/var/spool/authdaemon [root@mail courier-authlib-0.63.1.20111230]# cp /etc/authdaemonrc.dist?/etc/authdaemonrc [root@mail courier-authlib-0.63.1.20111230]# cp /etc/authmysqlrc.dist?/etc/authmysqlrc [root@mail courier-authlib-0.63.1.20111230]# vim /etc/authdaemonrc authmodulelist="authmysql" authmodulelistorig="authmysql" [root@mail courier-authlib-0.63.1.20111230]# vim /etc/authmysqlrc MYSQL_SERVER localhost MYSQL_PORT 3306mysql監聽的端口 MYSQL_USERNAME?extmail數據庫的所有者的用戶名 MYSQL_PASSWORD extmail密碼 MYSQL_SOCKET?/var/lib/mysql/mysql.sock MYSQL_DATABASE?extmail MYSQL_USER_TABLE?mailbox MYSQL_CRYPT_PWFIELD?password MYSQL_UID_FIELD?'2525' MYSQL_GID_FIELD?'2525' MYSQL_LOGIN_FIELD?username MYSQL_HOME_FIELD?concat('/var/mailbox/',homedir) MYSQL_NAME_FIELD?name MYSQL_MAILDIR_FIELD?concat('/var/mailbox/',maildir) [root@mail ~]# cd /usr/local/src/courier-authlib-0.63.1.20111230/ [root@mail courier-authlib-0.63.1.20111230]# cp courier-authlib.sysvinit /etc/init.d/courier-authlib [root@mail courier-authlib-0.63.1.20111230]# chmod 755 /etc/init.d/courier-authlib [root@mail courier-authlib-0.63.1.20111230]# service courier-authlib start Starting Courier authentication services: authdaemond [root@mail courier-authlib-0.63.1.20111230]# chkconfig --add courier-authlib [root@mail courier-authlib-0.63.1.20111230]# chkconfig courier-authlib on [root@mail courier-authlib-0.63.1.20111230]# echo "/usr/local/courier-authlib/lib/courier-authlib" >> /etc/ld.so.conf.d/courier-authlib.conf [root@mail courier-authlib-0.63.1.20111230]# ldconfig -v [root@mail courier-authlib-0.63.1.20111230]# ldconfig -pv |grep cour 新建虛擬用戶郵箱所在的目錄，并將其權限賦予postfix用戶： [root@mail courier-authlib-0.63.1.20111230]# mkdir -pv /var/mailbox [root@mail courier-authlib-0.63.1.20111230]# chown -R postfix /var/mailbox 修改驗證方式 [root@mail courier-authlib-0.63.1.20111230]# vim /usr/lib/sasl2/smtpd.conf pwcheck_method:saslauthd mech_list: LOGIN PLAIN pwcheck_method: authdaemond log_level: 3 mech_list:PLAIN LOGIN authdaemond_path:/usr/local/courier-authlib/var/spool/authdaemon/socket ~ [root@mail courier-authlib-0.63.1.20111230]# service saslauthd restart 停止 saslauthd：[確定] 啟動 saslauthd：[確定] [root@mail courier-authlib-0.63.1.20111230]# service courier-authlib restart Stopping Courier authentication services: authdaemond Starting Courier authentication services: authdaemond

四：使postfix支持虛擬域和虛擬用戶

[root@mail courier-authlib-0.63.1.20111230]# vim /etc/postfix/main.cf 663 ########################Virtual Mailbox Settings######################## 664 virtual_mailbox_base = /var/mailbox 665 virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf 666 virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf 667 virtual_alias_domains = 668 virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf 669 virtual_uid_maps = static:2525 670 virtual_gid_maps = static:2525 671 virtual_transport = virtual 672 maildrop_destination_recipient_limit = 1 673 maildrop_destination_concurrency_limit = 1 674 ##########################QUOTA Settings######################## 675 message_size_limit = 14336000 676 virtual_mailbox_limit = 20971520 677 virtual_create_maildirsize = yes 678 virtual_mailbox_extended = yes 679 virtual_mailbox_limit_maps = mysql:/etc/postfix/mysql_virtual_mailbox_limit_maps.cf 680 virtual_mailbox_limit_override = yes 681 virtual_maildir_limit_message = Sorry, the user's maildir has overdrawn his diskspacequota, please Tidy your mailbox and try again later. 682 virtual_overquota_bounce = yes 使用extman源碼目錄下docs目錄中的extmail.sql和init.sql建立數據庫 [root@mail ~]# tar -zxvf extman-1.1.tar.gz [root@mail ~]# cd extman-1.1 [root@mail extman-1.1]# cd docs/ [root@mail docs]# mysql -u root -p <extmail.sql Enter password: [root@mail docs]# mysql -u root -p <init.sql Enter password: [root@mail docs]# mysql -u root -p Enter password: Welcome to the MySQL monitor.?Commands end with ; or \g. Your MySQL connection id is 5 Server version: 5.0.77 Source distribution Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> show databases; +--------------------+ | Database| +--------------------+ | information_schema | | extmail| | mysql| | test| +--------------------+ 4 rows in set (0.00 sec) mysql> use extmail Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed mysql> show tables; +-------------------+ | Tables_in_extmail | +-------------------+ | alias| | domain| | domain_manager| | mailbox| | manager| +-------------------+ 5 rows in set (0.00 sec) mysql> [root@mail docs]# cp mysql*?/etc/postfix/ 授予用戶extmail訪問extmail數據庫的權限 [root@mail docs]# mysql -u root -p Enter password: Welcome to the MySQL monitor.?Commands end with ; or \g. Your MySQL connection id is 6 Server version: 5.0.77 Source distribution Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> GRANT all privileges on extmail.* TO extmail@localhost IDENTIFIED BY 'extmail'; Query OK, 0 rows affected (0.00 sec) mysql> GRANT all privileges on extmail.* TO extmail@127.0.0.1 IDENTIFIED BY 'extmail'; Query OK, 0 rows affected (0.00 sec) mysql> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.00 sec) mysql> \q Bye [root@mail docs]# service postfix restart 關閉 postfix：[確定] 啟動 postfix：[確定] 五：配置dovecot [root@mail docs]# vim /etc/dovecot.conf mail_location = maildir:/var/mailbox/%d/%n/Maildir auth default { mechanisms = plain passdb sql { args = /etc/dovecot-mysql.conf } userdb sql { args = /etc/dovecot-mysql.conf } [root@mail docs]# vim /etc/dovecot-mysql.conf driver = mysql connect = host=localhost dbname=extmail user=extmail password=extmail default_pass_scheme = CRYPT password_query = SELECT username AS user,password AS password FROM mailbox WHERE username = '%u' user_query = SELECT maildir, uidnumber AS uid, gidnumber AS gid FROM mailbox WHERE username = '%u' [root@mail docs]# vim /etc/postfix/main.cf home_mailbox = Maildir/ [root@mail docs]# service dovecot restart 停止 Dovecot Imap：[失敗] 啟動 Dovecot Imap：[確定] [root@mail docs]# chkconfig dovecot on [root@mail docs]# service postfix restart 關閉 postfix：[確定] 啟動 postfix：[確定] 六：安裝Extmail-1.2 [root@mail ~]# tar zxvf extmail-1.2.tar.gz [root@mail ~]# mkdir -pv /var/www/extsuite mkdir: 已創建目錄 “/var/www/extsuite” [root@mail ~]# mv extmail-1.2 /var/www/extsuite/extmail [root@mail ~]# mv extman-1.1?/var/www/extsuite/extman [root@mail extmail]# cp?webmail.cf.default?webmail.cf [root@mail extmail]# vim webmail.cf SYS_USER_LANG = zh_CN SYS_MYSQL_USER = extmail SYS_MYSQL_PASS = extmail SYS_AUTHLIB_SOCKET = /usr/local/courier-authlib/var/spool/authdaemon/socket [root@mail extmail]# service httpd start 啟動 httpd：httpd: apr_sockaddr_info_get() failed for mail.a.org httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName [確定] [root@mail extmail]# chkconfig httpd on [root@mail extmail]# vim /etc/httpd/conf/httpd.conf User postfix Group postfix <VirtualHost *:80> ServerName mail.test.com DocumentRoot /var/www/extsuite/extmail/html/ ScriptAlias /extmail/cgi /var/www/extsuite/extmail/cgi Alias /extmail /var/www/extsuite/extmail/html </VirtualHost> 修改 cgi執行文件屬主為apache運行身份用戶 [root@mail extmail]# chown -R postfix.postfix /var/www/extsuite/extmail/cgi/ [root@mail extmail]# service httpd restart 停止 httpd：[確定] 啟動 httpd：httpd: apr_sockaddr_info_get() failed for mail.a.org httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName [確定] 七：安裝extman [root@mail ~]# tar -zxvf extman-1.1.tar.gz [root@mail ~]# mv extman-1.1?/var/www/extsuite/extman [root@mail extman]# cp webman.cf.default webman.cf [root@mail extman]# vim webman.cf 12 SYS_MAILDIR_BASE = /var/mailbox 21 SYS_CAPTCHA_ON = 0 [root@mail extman]# chown -R postfix.postfix /var/www/extsuite/extman/cgi/ [root@mail extman]# vim /etc/httpd/conf/httpd.conf 999 ScriptAlias /extman/cgi /var/www/extsuite/extman/cgi 1000 Alias /extman /var/www/extsuite/extman/html [root@mail extman]# mkdir?-pv?/tmp/extman mkdir: 已創建目錄 “/tmp/extman” [root@mail extman]# chown postfix.postfix?/tmp/extman 八：依賴關系解決 [root@mail ~]# tar -zxvf Unix-Syslog-1.1.tar.gz [root@mail ~]# cd Unix-Syslog-1.1 [root@mail Unix-Syslog-1.1]# perl Makefile.PL [root@mail Unix-Syslog-1.1]# make [root@mail Unix-Syslog-1.1]# make install [root@mail Unix-Syslog-1.1]# service httpd restart 停止 httpd：[確定] 啟動 httpd：httpd: apr_sockaddr_info_get() failed for mail.a.org httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName [確定] 測試： 使用默認帳號登錄

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添加域

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查看域列表

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注冊郵箱

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登錄郵箱

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寫郵件

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接收郵件

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查看日志 [root@mail ~]# tail -f /var/log/maillog Sep 11 23:18:57 localhost postfix/qmgr[20119]: 3787696647: from=<nxl@a.org>, size=539, nrcpt=1 (queue active) Sep 11 23:18:57 localhost postfix/virtual[20523]: 3787696647: to=<nxl01@c.org>, relay=virtual, delay=0.17, delays=0.1/0.01/0/0.06, dsn=2.0.0, status=sent (delivered to maildir) Sep 11 23:18:57 localhost postfix/qmgr[20119]: 3787696647: removed Sep 11 23:19:41 localhost extmail[20530]: user=<nxl01@c.org>, client=192.168.20.1, module=login, status=loginok

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轉載于:https://blog.51cto.com/niuxiaolin/988492

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