インストール
$ yum install postfix
$ vim /etc/postfix/main.cf
-----
#myhostname = foo.bar.com
myhostname = testhost.com
:
#mydomain = foo.bar.com
mydomain = testhost.com
:
#myorigin = $mydomain
myorigin = $mydomain
:
:
(ファイル末尾に追記)
# SMTP-Auth configuration
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_recipient_restrictions =
permit_mynetworks
permit_sasl_authenticated
reject_unauth_destination
# limit
message_size_limit = 10485760
認証デーモン起動&自動起動設定
$ sudo /etc/rc.d/init.d/saslauthd start
$ sudo /sbin/chkconfig saslauthd on
$ sudo /sbin/chkconfig --list saslauthd
# saslauthd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
$ sudo /etc/rc.d/init.d/postfix start
$ sudo /sbin/chkconfig postfix on
$ sudo /sbin/chkconfig --list postfix
# postifx 0:off 1:off 2:on 3:on 4:on 5:on 6:off