一,安装Postfix postfix-2.6.5.tar.gz postfix-2.6.5-vda-ng.patch.gz 二,rpm包安装Cyrus-SASL+cyrus-IMAPD 三,Postfix基本配置 [root@Postfix ~]# cat /etc/postfix/main.cf alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 html_directory = no inet_interfaces = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = localhost, localhost.$mydomain, $myhostname, $mydomain mydomain = example.com myhostname = example.com mynetworks = 111.111.111.111/28 , 127.0.0.0/8 myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix relay_domains = example.com,163.com,gmail.com,qq.com,yahoo.com.cn,126.com,hotmail.com,sina.com,sohu.com,tom.com,yahoo.com,189.com,baidu.com,qq163.com sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop unknown_local_recipient_reject_code = 550 smtpd_client_connection_count_limit = 1024 smtpd_client_connection_rate_limit = 5 #Cyrus-SASL smtpd_client_restrictions = permit_sasl_authenticated smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_invalid_hostname smtpd_sasl_auth_enable = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_security_options = noanonymous broken_sasl_auth_clients = yes #Cyrus-imapd mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp readme_directory = no sample_directory = /etc/postfix #data_directory = /var/lib/postfix 四,用户邮箱管理 [root@Postfix ~]# cyradm -u cyrus localhost IMAP Password: localhost.localdomain> cm user.test localhost.localdomain> cm user.test.Send localhost.localdomain> cm user.test.Trash localhost.localdomain> cm user.test.Drafts localhost.localdomain> sq user.test 51200 //(kb,50M)设置配额: quota:51200 五,开机自动启动 六,邮箱日常维护 新建邮箱设置 1,建账户 [root@images ~]# useradd -g postfix -M -s /sbin/nologin test [root@images ~]# passwd test 2,建邮箱 [root@images ~]# cyradm -u cyrus localhost IMAP Password: localhost.localdomain> cm user.test localhost.localdomain> cm user.test.Send localhost.localdomain> cm user.test.Trash localhost.localdomain> cm user.test.Drafts localhost.localdomain> sq user.test 51200 quota:51200 3,删邮箱 [root@images ~]# cyradm -u cyrus localhost IMAP Password: localhost.localdomain> dm user.test deletemailbox: Permission denied localhost.localdomain> setacl user.test cyrus all localhost.localdomain> dm user.test 4,删账户 [root@images ~]userdel test 5,管理 看邮箱列表 [root@images user]# postqueue -p (host mail.example.com[/var/lib/imap/socket/lmtp] said: 452 4.2.2 Over quota (in reply to RCPT TO command)) test@example.com 解决邮箱超出 [root@images user]# cyradm -u cyrus localhost IMAP Password: localhost.localdomain> lq user.test STORAGE 53508/51200 (104.5078125%) localhost.localdomain> sq user.test 102400 quot: command not found localhost.localdomain> lq user.test STORAGE 53508/102400 (52.25390625%) localhost.localdomain> quit 手动重新发送 [root@images user]# postqueue -f