环境：Centos 6.4
关闭防火墙和selinux
[root@localhost ~]# postconf mail_version mail_version = 2.6.6 [root@localhost ~]#
[root@localhost ~]# yum -y install postfix dovecot cyrus* openssl openssl-devel [root@localhost ~]# sed -i ‘/host\.domain\.tld/imyhostname \= mail\.com‘ /etc/postfix/main.cf [root@localhost ~]# sed -i ‘/^#mydomain \=/imydomain \= mail\.com‘ /etc/postfix/main.cf [root@localhost ~]# sed -i ‘/myorigin \= \$mydomain/s/^#//g‘ /etc/postfix/main.cf [root@localhost ~]# sed -i ‘/inet_interfaces \= all/s/^#//g‘ /etc/postfix/main.cf [root@localhost ~]# grep ‘inet_protocols = all‘ /etc/postfix/main.cf inet_protocols = all [root@localhost ~]# sed -i ‘/inet\_interfaces \= localhost/s/inet\_interfaces/#inet\_interfaces/g‘ /etc/postfix/main.cf [root@localhost ~]# sed -i ‘/^mydestination/s/localhost/localhost\, \$mydomain/g‘ /etc/postfix/main.cf [root@localhost ~]# sed -i ‘/127\.0\.0\.0/imynetworks \= 0\.0\.0\.0\/0‘ /etc/postfix/main.cf [root@localhost ~]# sed -i ‘/^#mynetworks_style = subnet/s/^#//g‘ /etc/postfix/main.cf [root@localhost ~]# sed -i ‘/^#relay_domains/irelay_domains \= \$mydomain‘ /etc/postfix/main.cf
让其支持smtps
生成证书：
[root@localhost ~]# cd /etc/pki/tls/certs/ [root@localhost certs]# make postfix.pem [root@localhost ~]# echo ‘#smtpd-tls‘ >> /etc/postfix/main.cf [root@localhost ~]# echo ‘smtpd_tls_cert_file = /etc/pki/tls/certs/postfix.pem‘ >> /etc/postfix/main.cf [root@localhost ~]# echo ‘smtpd_tls_key_file = /etc/pki/tls/certs/postfix.pem‘ >> /etc/postfix/main.cf [root@localhost ~]# echo ‘smtpd_use_tls = yes‘ >> /etc/postfix/main.cf [root@localhost ~]# echo ‘tls_random_source = dev:/dev/urandom‘ >> /etc/postfix/main.cf [root@localhost ~]# echo ‘tls_daemon_random_source = dev:/dev/urandom‘ >> /etc/postfix/main.cf [root@localhost ~]# echo ‘message_size_limit = 10240000‘ >> /etc/postfix/main.cf //限制邮件大小 [root@localhost ~]# sed -i ‘/smtps/s/^#//g‘ /etc/postfix/master.cf [root@localhost ~]# sed -i ‘/smtpd\_tls\_wrappermode/s/^#//g‘ /etc/postfix/master.cf [root@localhost ~]# sed -i "19s/^#//g" /etc/postfix/master.cf [root@localhost ~]# echo -e ‘group:\tyfshare,bob‘ >> /etc/aliases [root@localhost ~]# newaliases
[root@localhost ~]# /etc/init.d/postfix restart [root@localhost ~]# chkconfig postfix on [root@localhost ~]# telnet localhost 25 Trying ::1... Connected to localhost. Escape character is ‘^]‘. 220 mail.com ESMTP Postfix ···
配置DOVECOT：
[root@localhost ~]# sed -i ‘/protocols/s/^#//g‘ /etc/dovecot/dovecot.conf [root@localhost ~]# sed -i ‘/login_trusted_networks/s/^#//g‘ /etc/dovecot/dovecot.conf [root@localhost ~]# sed -i ‘/login_trusted_networks/s/\=/\= 0\.0\.0\.0\/0/g‘ /etc/dovecot/dovecot.conf [root@localhost ~]# sed -i ‘/INBOX\=\/var\/mail/s/^#//g‘ /etc/dovecot/conf.d/10-mail.conf [root@localhost ~]# sed -i ‘/INBOX\=\/var\/mail/s/^[ \t]*//g‘ /etc/dovecot/conf.d/10-mail.conf [root@localhost ~]# sed -i ‘/#ssl = yes/s/^#//g‘ /etc/dovecot/conf.d/10-ssl.conf [root@localhost ~]# /etc/init.d/dovecot restart [root@localhost ~]# chkconfig dovecot on
[root@localhost ~]# netstat -tunlp|grep 110 tcp 0 0 0.0.0.0:110 0.0.0.0:* LISTEN 6272/dovecot tcp 0 0 :::110 :::* LISTEN 6272/dovecot [root@localhost ~]# netstat -tunlp|grep 995 tcp 0 0 0.0.0.0:995 0.0.0.0:* LISTEN 6272/dovecot tcp 0 0 :::995 :::* LISTEN 6272/dovecot [root@localhost ~]# netstat -tunlp|grep 25 tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 6519/master tcp 0 0 :::25 :::* LISTEN 6519/master [root@localhost ~]# netstat -tunlp|grep 465 tcp 0 0 0.0.0.0:465 0.0.0.0:* LISTEN 6519/master tcp 0 0 :::465 :::* LISTEN 6519/master [root@localhost ~]# netstat -tunlp|grep 143 tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN 6272/dovecot tcp 0 0 :::143 :::* LISTEN 6272/dovecot [root@localhost ~]# netstat -tunlp|grep 993 tcp 0 0 0.0.0.0:993 0.0.0.0:* LISTEN 6272/dovecot tcp 0 0 :::993 :::* LISTEN 6272/dovecot [root@localhost ~]#
[root@localhost ~]# tail -n 5 /etc/skel/.bashrc |head -n 3 if [ ! -d ~/mail/.imap/INBOX ];then mkdir -p ~/mail/.imap/INBOX fi [root@localhost ~]#
[root@localhost ~]# useradd yfshare [root@localhost ~]# useradd bob [root@localhost ~]# useradd tom [root@localhost ~]# echo ‘123456‘ |passwd yfshare --stdin [root@localhost ~]# echo ‘123456‘ |passwd bob --stdin [root@localhost ~]# echo ‘123456‘ |passwd tom --stdin [root@localhost ~]# mkdir -p /home/yfshare/mail/.imap/INBOX && chown yfshare:yfshare /home/yfshare/mail -R [root@localhost ~]# mkdir -p /home/bob/mail/.imap/INBOX && chown bob:bob /home/bob/mail -R [root@localhost ~]# mkdir -p /home/tom/mail/.imap/INBOX && chown tom:tom /home/tom/mail -R
配置saslauth：
[root@localhost ~]# sed -i ‘/MECH\=/s/pam/shadow/‘ /etc/sysconfig/saslauthd [root@localhost ~]# /etc/init.d/saslauthd restart [root@localhost ~]# chkconfig saslauthd on [root@localhost ~]# saslauthd -v saslauthd 2.1.23 authentication mechanisms: getpwent kerberos5 pam rimap shadow ldap [root@localhost ~]# testsaslauthd -u yfshare -p 123456 0: OK "Success." [root@localhost ~]# testsaslauthd -u bob -p 123456 0: OK "Success." [root@localhost ~]# testsaslauthd -u tom -p 123456 0: OK "Success." [root@localhost ~]#
注：selinux会影响testsaslauthd使用shadow认证，如果不想关闭selinux，执行：
[root@localhost ~]# setsebool -P allow_saslauthd_read_shadow 1
pop3 | 110 | pop3s | 995 |
smtp | 25 | smtps | 465 |
imap | 143 | imaps | 993 |
Postfix当bob用户给yfshare发送邮件并抄送给group，且yfshare在group里，这时yfshare用户会收到两封一模一样的邮件，这是Postfix的BUG
SSL加密发送邮件：（IMAPS+SMTPS)
SSL加密发送邮件：（POP3S+SMTPS）
[root@localhost ~]# ll /home/yfshare/mail/.imap/INBOX/ total 20 -rw-rw----. 1 yfshare mail 16384 Sep 18 17:34 dovecot.index.cache -rw-rw----. 1 yfshare mail 1668 Sep 18 17:34 dovecot.index.log [root@localhost ~]# ll /var/mail/ total 16 -rw-rw----. 1 bob mail 7071 Sep 18 17:34 bob -rw-rw----. 1 tom mail 0 Sep 18 17:10 tom -rw-rw----. 1 yfshare mail 6955 Sep 18 17:34 yfshare [root@localhost ~]#
Sendmail+dovecot+saslauth+rainloop
本文出自 “鹏城-酱油瓶” 博客，谢绝转载！
原文地址：http://yfshare.blog.51cto.com/8611708/1696596
