Install/iRedAPD/OpenLDAP

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(Download and configure iRedAPD)
(Configure postfix)
Line 142: Line 142:
     permit_sasl_authenticated,
     permit_sasl_authenticated,
     reject_unauth_destination,
     reject_unauth_destination,
 +
    ...
 +
 +
smtpd_sender_restrictions =
 +
    check_policy_service inet:127.0.0.1:7778,
     ...
     ...
</pre>}}
</pre>}}

Revision as of 13:52, 21 June 2010

TO BE CONTINUED

Contents

Summary & Feature List

  • iRedAPD is designed to work in conjunction with Postfix as an Access Policy Delegation daemon, with plugin support.
  • Currently, it works with only OpenLDAP, but is easy to make it support MySQL with plugins.
  • Plugin: check user's rights to post messages to LDAP buildin mail list.

How to manage it

Requirements

  • Python >= 2.4, core programming language.
  • Python-LDAP >= 2.3.7. An object-oriented API to access LDAP directory servers from Python programs.
  • iRedMail >= 0.5.0

Install iRedAPD

We will configure iRedAPD as two postfix policy daemons.

  • Daemon listen on port 7777: Used in postfix smtpd_recipient_restrictions, for mail list deliver restriction.
  • Daemon listen on port 7778: Used in postfix smtpd_sender_restrictions, for per-user blacklist and whitelist.

Install required python modules

TIP: You can skip this step if you already have iRedAdmin installed.

Terminal:
#
# ---- on RHEL/CentOS ----
#
# yum install python-ldap

#
# ---- on Debian/Ubuntu ----
#
$ sudo apt-get install python-ldap

#
# ---- on FreeBSD ----
#
# cd /usr/ports/net/py-ldap2 && make install clean

Download and configure iRedAPD

Terminal:
#
# ---- Uncompress tarball, create symbol link ----
# tar xjf iRedAPD-x.y.z.tar.bz2 -C /opt/
# ln -s /opt/iRedAPD-x.y.z /opt/iredapd
# chmod +x /opt/iredapd/src/iredapd.py

#
# ---- Copy necessary RC script to /etc/init.d/ (Linux) or /usr/local/etc/rc.d/ (FreeBSD) ----
#
# cp /opt/iredapd/rc_scripts/iredapd /etc/init.d/iredapd
# cp /opt/iredapd/rc_scripts/iredapd-rr /etc/init.d/iredapd-rr
# chmod +x /etc/init.d/iredapd /etc/init.d/iredapd-rr

#
# ---- Copy sample setting file ----
# ---- Note: We just copy one sample config file now ----
#
# cp /opt/iredapd/etc/iredapd.ini.sample /opt/iredapd/etc/iredapd.ini
  • Open /opt/iredapd/etc/iredapd.ini and set correct values.
File: /opt/iredapd/etc/iredapd.ini
#
# ---- Note: This config file is self-documented ----
# ----       just open it and read the comment ----
#
[general]
listen_addr     = 127.0.0.1
listen_port     = 7777
run_as_daemon   = yes
pid_file        = /var/run/iredapd.pid
log_type        = file
log_file        = /var/log/iredapd.log
log_level       = info
backend = ldap

[ldap]
uri         = ldap://127.0.0.1:389
binddn      = cn=vmail,dc=iredmail,dc=org
bindpw      = mRAEWpGRtlCs1O0QuWpXoaJ36EjRql
basedn      = o=domains,dc=iredmail,dc=org
plugins = ldap_maillist_access_policy
  • Copy this file for another iRedAPD daemon.
Terminal:
# cd /opt/iredapd/etc/
# cp iredapd.ini iredapd-rr.ini
  • Change value of listen_port to 7778 in iredapd-rr.ini.
  • Make iRedAPD start when boot your server.
Terminal:
#
# ---- on RHEL/CentOS ----
#
# chkconfig --level 345 iredapd on
# chkconfig --level 345 iredapd-rr on

#
# ---- on Debian/Ubuntu ----
#
$ sudo update-rc.d iredapd defaults
$ sudo update-rc.d iredapd-rr defaults

#
# ---- on FreeBSD, please edit /etc/rc.conf, append below line ----
#
iredapd_enable='YES'
  • Start iRedAPD now.
Terminal:
#
# ---- On RHEL/CentOS/Debian/Ubuntu ----
#
# /etc/init.d/iredapd start
# /etc/init.d/iredapd-rr start

#
# ---- On FreeBSD ----
#
# /usr/local/etc/rc.d/iredapd start
# /usr/local/etc/rc.d/iredapd-rr start

Configure postfix

In postfix main.cf, modify smtpd_recipient_restrictions setting:

File: /etc/postfix/main.cf
smtpd_recipient_restrictions =
    ...
    check_policy_service inet:127.0.0.1:7777,
    permit_mynetworks,
    permit_sasl_authenticated,
    reject_unauth_destination,
    ...

smtpd_sender_restrictions =
    check_policy_service inet:127.0.0.1:7778,
    ...
  • Restart postfix to make it work.
Terminal:
#
# ---- On RHEL/CentOS/Debian/Ubuntu ----
#
# /etc/init.d/postfix restart

#
# ---- On FreeBSD ----
#
# /usr/local/etc/rc.d/postfix restart

Available access policy levels

There're four default policy rules for mail list:

Restriction Comment Value of attribute 'accessPolicy' in LDAP
Unrestricted Email is unrestricted, which means everyone can mail to this address. public
Domain Wide Only users under same domain can send mail to this address. domain
Members Only Only members can send mail to this address membersOnly
Moderators Only Only moderators can send mail to this address allowedOnly

Troubleshooting & Debug

If iRedAPD doesn't work as expected, you can simplily set 'log_level = debug' in /opt/iredapd/etc/iredapd.ini, restart iredapd and monitor its log file /var/log/iredapd.log, create a new forum topic and paste log message in forum topic.

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