====== Postfix DovecotでPOP before SMTP ======

最近ほとんどsmtp authで設定しちゃってるので、\\
PostfixでPOP before SMTPの設定方法忘れちゃってたんでメモ

====== pop-before-smtpインストール ======
[[https://sourceforge.net/project/showfiles.php?group_id=5017|Pop-before-smtp]]から最新版をダウンロード

今の最新は2007-06-06更新の 
[[http://downloads.sourceforge.net/project/popbsmtp/Source%20tar/1.42/pop-before-smtp-1.42.tar.gz|pop-before-smtp-1.42.tar.gz]]でした。

<box 70% left round orange>
# tar xvfz pop-before-smtp-1.42.tar.gz \\
# cd pop-before-smtp-1.42/ \\
# cp pop-before-smtp.init /etc/rc.d/init.d/pop-before-smtp \\
# cp pop-before-smtp /usr/sbin/ \\
# cp pop-before-smtp-conf.pl /etc
</box>

====== pop-before-smtp-conf.pl修正 ======
<color red>**赤**</color>の部分のコメントアウトを外す
<box 70% left round orange>
32  <color red>**#**</color>$logto = '/var/log/pop-before-smtp'; \\
44  <color red>**#**</color>$file_tail{'name'} = '/var/log/maillog'; \\
 \\
254 <color red>**#**</color> For Dovecot POP3/IMAP when using syslog. \\
255 <color red>**#**</color>$pat = '^[LOGTIME] \S+ (?:dovecot: )?(?:imap|pop3)-login: ' . \\
256 <color red>**#**</color>    'Login: .*? (?:\[|rip=)[:f]*(\d+\.\d+\.\d+\.\d+)[],]'; \\
257 <color red>**#**</color>$out_pat = '^[LOGTIME] \S+ (?:dovecot: )?(?:imap|pop3)-login: ' . \\
258 <color red>**#**</color>    'Disconnected.*? (?:\[|rip=)[:f]*(\d+\.\d+\.\d+\.\d+)[],]'; \\
 \\
353 <color red>**=cut**</color> #====================== Postfix BerkeleyDB  =======================START= \\
378 <color red>**=cut**</color> #====================== Postfix BerkeleyDB =========================END= \\
</box>

====== perlのモジュールをインストール ======
<box 70% left round orange>
# perl -MCPAN -e shell
cpan> install Time::HiRes
cpan> install File::Tail
cpan> install Date::Parse
cpan> install Net::Netmask
cpan> install BerkeleyDB
</box>

====== Postfixのmain.cf修正 ======
main.cfに下記を追加する。
<box 70% left round orange>
# vi /etc/postfix/main.cf \\
\\
smtpd_recipient_restrictions = \\
　　permit_mynetworks,reject_non_fqdn_recipient, \\
　　check_client_access hash:/etc/postfix/pop-before-smtp, \\
　　reject_unauth_destination \\
\\
</box>
===== pop before smtpとsmtp auth両方有効にする場合 =====
<box 70% left round orange>
# vi /etc/postfix/main.cf \\
smtpd_sasl_auth_enable = yes \\
smtpd_sasl_type = dovecot \\
smtpd_sasl_path = private/auth \\
smtpd_sasl_local_domain = $myhostname \\
smtpd_recipient_restrictions = \\
　　permit_mynetworks,reject_non_fqdn_recipient  \\
　　permit_sasl_authenticated, \\
　　check_client_access hash:/etc/postfix/pop-before-smtp, \\
　　reject_unauth_destination 
</box>


====== 自動起動の設定 ======
<box 70% left round orange>
# chkconfig --add pop-before-smtp
# chkconfig pop-before-smtp on
</box>

====== 起動 ======
<box 70% left round orange>
# service pop-before-smtp start
</box>

===== 確認 =====
popアクセスをしてみて、/etc/postfix/pop-before-smtp.dbに \\
該当IPが登録されていれば成功です。

<box 70% left round orange>
# /usr/lib/rpm/rpmdb_dump -p /etc/postfix/pop-before-smtp.db VERSION=3 \\
format=print \\
type=hash \\
db_pagesize=4096 \\
HEADER=END \\
 183.77.255.225 \\
 ok \\
DATA=END
</box>