[root@sd /]# apt-get update

[root@sd /]# apt-get build-dep postfix

[root@sd /]# su - camel

[camel@sd ~]$ apt-get source postfix

[camel@sd ~]$ cd rpm/RPMS/i386

[camel@sd i386]$ ls

　postfix-2.6.3-4vl5.i386.rpm　 postfix-mysql-2.6.3-4vl5.i386.rpm 　postfix-pgsql-2.6.3-4vl5.i386.rpm
　postfix-ldap-2.6.3-4vl5.i386.rpm　 postfix-pcre-2.6.3-4vl5.i386.rpm

[camel@sd i386]$ su
　Password: ++++++++

[root@sd i386]# rpm -Uvh postfix-2.6.3-4vl5.i386.rpm

　Preparing... 　 ########################################### [100%]

　package postfix-2.6.3-4vl5.i386 is already installed
　file /usr/sbin/postconf from install of postfix-2.6.3-4vl5.i386 conflicts with file from package
　postfix-2.6.3-4vl5.i386


[root@sd i386]# /usr/sbin/postfix check

[root@sd i386]# /etc/init.d/saslauthd start

　Starting saslauthd: 　 　 　 　 　 　 　 [  OK  ]

[root@sd i386]# /sbin/chkconfig saslauthd on

[root@sd i386]# /usr/sbin/saslpasswd2 -u sd.tonchiki.net -c camel

　Password: +++++++++
　Again (for verification): +++++++++

[root@sd i386]# nano /usr/lib/sasl2/smtpd.conf

pwcheck_method: auxprop
auxprop_plugin: sasldb
mech_list: cram-md5 digest-md5 plain login

Ctrl + x 　 　ｙ

[root@sd i386]# chown -R root:postfix /etc/sasldb2

[root@sd i386]# chmod 640 /etc/sasldb2

[root@sd i386]# nano /etc/postfix/isp_auth

[provid.ne.co.jp]:25 isp@provid.ne.co.jp:password: +++++++++

Ctrl + x 　 　ｙ

[root@sd i386]# chmod 600 /etc/postfix/isp_auth

[root@sd i386]# /etc/init.d/saslauthd restart

[root@sd i386]# nano /etc/postfix/main.cf

#
myhostname = sd.tonchiki.net

mydomain = tonchiki.net

myorigin = $mydomain

inet_interfaces = all

mydestination = $myhostname, localhost.$mydomain $mydomain

unknown_local_recipient_reject_code = 550
#unknown_local_recipient_reject_code = 450

mynetworks = 192.168.0.0/24, 127.0.0.0/8

relay_domains = $mydestination

relayhost = [provid.ne.co.jp]:25

home_mailbox = Maildir/

#mail_spool_directory = /var/spool/mail
#mailbox_command = /some/where/procmail -a "$EXTENSION"

smtp_sasl_auth_enable = yes

smtpd_sasl_auth_enable = yes

smtp_sasl_password_maps = hash:/etc/postfix/isp_auth

smtp_sasl_security_options = noanonymous

smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination

smtpd_banner = $myhostname ESMTP unknown

smtpd_sasl_local_domain = $mydomain

allow_percent_hack = yes

broken_sasl_auth_clients = yes

#
Ctrl + x 　 　ｙ

[root@sd i386]# nano /etc/postfix/master.cf

smtp 　 　 　inet　 　n　 　-　 　n　 　-　 　-　 　smtpd
submission　inet　 　n　 　-　 　n　 　-　 　-　 　smtpd
-o smtpd_etrn_restrictions=reject
-o smtpd_client_restrictions=permit_sasl_authenticated,reject

#
Ctrl + x 　 　ｙ

[root@sd i386]# postmap /etc/postfix/isp_auth

[root@sd i386]# /etc/init.d/postfix restart

[root@sd i386]# /etc/init.d/courier-imap restart

[root@sd i386]#