企业级邮件服务器的搭建 - postfix

virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf # 定义虚拟邮箱能够接受哪些域名，域名的信息保存在mysql里 virtual_transport = maildrop: # 定义使用哪个 程序进行邮件的投递操作

重启 postfix

[root@mail docs]# /etc/init.d/postfix restart

测试：

[root@mail docs]# /usr/sbin/authtest -s login postmaster@extmail.org extmail Authentication succeeded.

Authenticated: postmaster@extmail.org (uid 1000, gid 1000) Home Directory: /home/domains/extmail.org/postmaster

Maildir: /home/domains/extmail.org/postmaster/Maildir/ Quota: 104857600S

Encrypted Password: $1$phz1mRrj$3ok6BjeaoJYWDBsEPZb5C0 Cleartext Password: extmail Options: (none) 成功了！

客户端登录测试：

后台管理：

http://mail.extmail.org/extman/ root@extmail.org extmail*123*

前台界面：

http://mail.extmail.org/extmail/ 可能出现的问题及解答 排错： （1）

[root@mail ~]# /usr/sbin/authtest -s login postmaster@extmail.org extmail Authentication FAILED: Input/output error

[root@mail ~]# vim /etc/authlib/authmysqlrc

（2）

[root@mail ~]# /usr/sbin/authtest -s login postmaster@extmail.org extmail Authentication FAILED: Operation not permitted

[root@mail ~]# /etc/init.d/courier-authlib restart

[root@mail ~]# tail -0f /var/log/maillog

Sep 13 02:36:04 localhost authdaemond: stopping authdaemond children Sep 13 02:36:04 localhost authdaemond: modules=\Sep 13 02:36:04 localhost authdaemond: Installing libauthmysql

Sep 13 02:36:04 localhost authdaemond: libauthmysql.so: cannot open shared object file: No such file or directory

[root@mail ~]# yum provides */libauthmysql.so

[root@mail ~]# yum install -y courier-authlib-mysql

查看邮件队列：

[root@mail docs]# mailq Mail queue is empty

查看日志： /var/log/maillog

清空邮件队列： postsuper -d ALL postsuper -d Queue_ID

=========================== 配置sasl认证机制：

===========================

[root@mail docs]# yum install -y cyrus-sasl-sql

[root@mail docs]# cp mysql_virtual_sender_maps.cf /etc/postfix/ 编辑配置文件

[root@mail docs]# vim /etc/postfix/main.cf

smtpd_recipient_restrictions=

permit_mynetworks,permit_sasl_authenticated,reject_non_fqdn_hostname,reject_non_fqdn_sender,reject_non_fqdn_recipient,reject_unauth_destination,reject_unauth_pipelining,reject_invalid_hostname

smtpd_sender_restrictions=

permit_mynetworks,reject_sender_login_mismatch,reject_authenticated_sender_login_mismatch,reject_unauthenticated_s ender_login_mismatch

smtpd_sender_login_maps=

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

broken_sasl_auth_clients = yes smtpd_sasl_auth_enable = yes

smtpd_sasl_local_domain = $myhostname smtpd_sasl_security_options = noanonymous

编辑配置文件

[root@mail docs]# vim /usr/lib/sasl2/smtpd.conf pwcheck_method: authdaemond log_level: 3

mech_list: PLAIN LOGIN

authdaemond_path:/var/spool/authdaemon/socket

[root@mail docs]# ls /var/spool/authdaemon/socket /var/spool/authdaemon/socket

启动验证的服务

[root@mail docs]# /etc/init.d/saslauthd restart

测试： 使用注册过的帐户

[root@mail extmail.org]# pwd /home/domains/extmail.org

[root@mail extmail.org]# ls a1 a2 q1 全名：a1@extmail.org

生成用户的 Base64 位编码：

[root@mail ~]# perl -e 'use MIME::Base64; print encode_base64(\YTFAZXh0bWFpbC5vcmc=

[root@mail ~]# perl -e 'use MIME::Base64; print encode_base64(\YTJAZXh0bWFpbC5vcmc=

生成用户的登录密码的 Base64位编码：

[root@mail ~]# perl -e 'use MIME::Base64; print encode_base64(\MTIz

[root@mail ~]# telnet mail.extmail.org 25 Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1). Escape character is '^]'.

220 mail.extmail.org MySMTP My_Postfix helo mail.extmail.org 手写 250 mail.extmail.org

auth login 手写 334 VXNlcm5hbWU6

YTFAZXh0bWFpbC5vcmc= 用户 a1@extmail.org 的编码 334 UGFzc3dvcmQ6 MTIz 用户 a1@extmail.org 的密码 235 2.7.0 Authentication successful mail from:a1@extmail.org 发信人 250 2.1.0 Ok

rcpt to:a2@extmail.org 收信人 250 2.1.5 Ok data 开始写 信的正文

354 End data with . . 结束 subject:hello a1 主题 chi fan mei? 正文 . 结束

250 2.0.0 Ok: queued as 758D0706EE quit 退出 221 2.0.0 Bye

Connection closed by foreign host.

===================== 配置收邮件的工具 imap

安装所需的软件

[root@mail ~]# yum install -y courier-imap 改变所需的功能

[root@mail ~]# vim +414 /usr/lib/courier-imap/etc/imapd IMAPDSTART=NO

[root@mail ~]# vim +75 /usr/lib/courier-imap/etc/imapd-ssl IMAPDSSLSTART=NO

[root@mail ~]# /etc/init.d/courier-imap restart

Stopping Courier-IMAP server: imap imap-ssl pop3 pop3-ssl

Starting Courier-IMAP server: pop3 generating-SSL-certificate... pop3-ssl

测试：

[root@mail ~]# telnet mail.extmail.org 110 Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1). Escape character is '^]'. +OK Hello there.

user a2@extmail.org 用户名 +OK Password required. pass 123 密码

+OK logged in. list 查看邮件列表

+OK POP3 clients that break here, they violate STD53. 1 435 . stat 查看最新的邮件 +OK 1 435 top 1 435 查看信的内容 +OK headers follow.

Return-Path: Delivered-To: a2@extmail.org

Received: from mail.extmail.org (mail.extmail.org [127.0.0.1])

by mail.extmail.org (My_Postfix) with SMTP id 758D0706EE for ; Fri, 13 Sep 2013 16:00:55 +0800 (CST) subject:hello a1

Message-Id: <20130913080106.758D0706EE@mail.extmail.org> Date: Fri, 13 Sep 2013 16:00:55 +0800 (CST) From: a1@extmail.org To: undisclosed-recipients:;

chi fan mei?