VPS設定のつぼ 使えるねっと Mailサーバ(Postfix・Dovecot)

[root@vps ~]# yum -y install postfix

[root@vps ~]# vi /etc/postfix/main.cf

76行目 コメント解除　使用するホスト名に変更
#myhostname = virtual.domain.tld
　↓
myhostname = mail.vps-tora.com

83行目　コメント解除　使用するドメインに変更
#mydomain = domain.tld
　↓
mydomain = vps-tora.com

99行目　コメント解除
#myorigin = $mydomain
　↓
myorigin = $mydomain

116行目　localhostをallに変更
inet_interfaces = localhost
　↓
inet_interfaces = all

419行目　コメント解除
#home_mailbox = Maildir/
　↓
home_mailbox = Maildir/

569行目　コメント解除　$mail_nameをunknownに変更
#smtpd_banner = $myhostname ESMTP $mail_name
　↓
smtpd_banner = $myhostname ESMTP unknown

最終行へ追記
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_recipient_restrictions =
permit_mynetworks
permit_sasl_authenticated
reject_unauth_destination

[root@vps ~]# /etc/rc.d/init.d/saslauthd start
Starting saslauthd: [ OK ]

[root@vps ~]# chkconfig saslauthd on

[root@vps ~]# /etc/rc.d/init.d/sendmail stop
Shutting down sm-client: [ OK ]
Shutting down sendmail: [ OK ]

[root@vps ~]# chkconfig sendmail off

[root@vps ~]# alternatives –config mta

There are 2 programs which provide ‘mta’.

Selection Command
———————————————–
*+ 1 /usr/sbin/sendmail.sendmail
2 /usr/sbin/sendmail.postfix

Enter to keep the current selection[+], or type selection number: 2　←2を入力

[root@vps ~]# /etc/rc.d/init.d/postfix restart
Shutting down postfix: [ OK ]
Starting postfix: [ OK ]

[root@vps ~]# yum -y install dovecot

[root@vps ~]# vi /etc/dovecot/conf.d/10-mail.conf

30行目　コメント解除して追加
#mail_location =
　↓
mail_location = maildir:~/Maildir

[root@vps ~]# vi /etc/dovecot/conf.d/10-auth.conf

9行目　コメント解除　yesをnoに
#disable_plaintext_auth = yes
　↓
#disable_plaintext_auth = no

97行目　loginを追加
auth_mechanisms = plain
　↓
auth_mechanisms = plain login

[root@vps ~]# vi /etc/dovecot/conf.d/10-master.conf

88～90行目　コメント解除して追加
#unix_listener /var/spool/postfix/private/auth {
# mode = 0666
#}
　↓

unix_listener /var/spool/postfix/private/auth {
mode = 0666
user = postfix←追加
group = postfix←追加
}

[root@vps ~]# /etc/rc.d/init.d/dovecot start
Starting Dovecot Imap: [ OK ]

[root@vps ~]# chkconfig dovecot on