Postfix + Dovecot

dovecot
postfix

postfix

インストール

# yum -y postfix

dovecotが使えるか確認

# postconf -a
cyrus
dovecot

saslauthdの起動設定

# chkconfig --list saslauthd
saslauthd       0:off   1:off   2:off   3:off   4:off   5:off   6:off

saslauthd が起動している場合には停止します。

# service saslauthd stop
saslauthd を停止中:                                        [  OK  ]

/etc/postfix/main.cf

# smtpd
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions = permit_sasl_authenticated, reject_unauth_destination
broken_sasl_auth_clients = yes
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous

# chkconfig --add postfix
# chkconfig postfix on

Dovecot

Dovecot(ダヴコット)

インストール

# yum -y dovecot

# doveconf -n > dovecot-new.conf

/etc/dovecot/conf.d/10-auth.conf

auth_mechanisms = plain login
!include auth-passwdfile.conf.ext                                |~

/etc/dovecot/conf.d/10-mail.conf

mail_location = maildir:~/mail

/etc/dovecot/conf.d/10-ssl.conf

ssl = no

# dovecotpw -s CRAM-MD5
Enter new password:
Retype new password:
{CRAM-MD5}9bde2235538debe003(適当。実際はもっと長い)

service auth {
  # auth_socket_path points to this userdb socket by default. It's typically
  # used by dovecot-lda, doveadm, possibly imap process, etc. Its default
  # permissions make it readable only by root, but you may need to relax these
  # permissions. Users that have access to this socket are able to get a list
  # of all usernames and get results of everyone's userdb lookups.
  #unix_listener auth-userdb {
    #mode = 0600
    #user =
    #group =
  #}

  # Postfix smtp-auth
  unix_listener /var/spool/postfix/private/auth {
    mode = 0666
    user = postfix
    group = postfix
  }

  # Auth process is run as this user.
  #user = $default_internal_user
}

# doveadm pw -s CRAM-MD5 -p password_text
{CRAM-MD5}b886583547b95cdc00787f360498c3c37ac6eed08ec910b5b4bd1484e8ec2b26