快速配置postfix

在centos6.0上系统默认已安装了postfix和sasl
1.vi /etc/postfix/main.cf

myhostname=mail.c1gstudio.com
mydomain=c1gstudio.com
myorigin=$mydomain
inet_interfaces=all
mydestintion=$myhostname,localhost,$mydomain,localhost
mynetworks=192.168.100.0/24,127.0.0.0/8

#################CYRUS-SASL###################
broken_sasl_auth_clients = yes
smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_invalid_hostname,reject_non_fqdn_hostname,reject_unknown_sender_domain,reject_non_fqdn_sender,reject_non_fqdn_recipient,reject_unknown_recipient_domain,reject_unauth_pipelining,reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_security_options = noanonymous
smtpd_sasl_application_name = smtpd
smtpd_banner = $myhostname ESMTP,Warning: Version not Available!
smtpd_reject_unlisted_recipient = no

2.vim /etc/sasl2/smtpd.conf

pwcheck_method: saslauthd
mech_list: plain login

3.iptables

iptables -A INPUT -p tcp –dport 25 -j ACCEPT

service iptables save

4.自动运行

chkconfig postfix on
chkconfig saslauthd on

6.添加smtp认证用户
===================
使用shadow认证
[root@dev ~]# groupadd mailuser
[root@dev ~]# adduser -g mailuser -s /sbin/nologin service
[root@dev ~]# passwd service
Changing password for user service.
New UNIX password:
BAD PASSWORD: it is too simplistic/systematic
Retype new UNIX password:
passwd: all authentication tokens updated successfully.
[root@dev ~]#

检查是否可以通过认证
[root@dev ~]# testsaslauthd -u service -p 123456
0: OK “Success.”

生成base64备用
[root@dev ~]#

perl -MMIME::Base64 -e ‘print encode_base64(“service”);’

c2VydmljZQ==
[root@dev ~]#

perl -MMIME::Base64 -e ‘print encode_base64(“123456”);’

MTIzNDU2

7.测试
[root@dev ~]# telnet localhost 25

REtOWTk5OXh4eA==
Trying 127.0.0.1…
Connected to localhost.localdomain (127.0.0.1).
Escape character is ‘^]’.
220 Welcome to our devmail.c1gstudio.com ESMTP,Warning: Version not Available!
ehlo localhost
250-devmail.c1gstudio.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
auth login
334 VXNlcm5hbWU6
c2VydmljZQ==
334 UGFzc3dvcmQ6
MTIzNDU2
235 2.0.0 Authentication successful
mail from:[email protected]
250 2.1.0 Ok
rcpt to:[email protected]
250 2.1.5 Ok
data
354 End data with .
subject:hello 13:08
this is a test
.
250 2.0.0 Ok: queued as 0BABAD607EB
quit
221 2.0.0 Bye
Connection closed by foreign host.

参考:
http://blog.c1gstudio.com/archives/137
http://www.cnblogs.com/paipaita/archive/2012/11/20/centos_postfix.html