List) is a means of identifying hosts that have been associated
with the sending of spam mail. A full description of the service
and the technology and ethics behind it can be found at <a
- href="http://maps.vix.com/rbl/"><tt>http://maps.vix.com/rbl/</tt></a>
+ href="http://www.mail-abuse.org/rbl/"><tt>http://www.mail-abuse.org/rbl/</tt></a>
along with more general mail policy information at <a
- href="http://maps.vix.com/"><tt>http://maps.vix.com/</tt></a>.</p>
+ href="http://www.mail-abuse.org/"><tt>http://www.mail-abuse.org/</tt></a>.</p>
<p>In the few years since MAPS started operating, other similar
services although with different aims, procedures and
reliabilities have been introduced - MAPS itself has a number of
these (ie MAPS/DUL which maintains lists of dial up modems), the
- other major source is <a href="http:/www.orbs.org/">ORBS</a>,
+ other major source is <a href="http://www.orbs.org/">ORBS</a>,
which is a more proactive relay blocking service</p>
<p>Exim can use the MAPS RBL and/or any other similarly defined
<h2>RBL Configuration Options</h2>
<p>These are fully detailed in the <a
- href="../exim-html-3.10/doc/html/spec.html" target="_top">Exim
+ href="../exim-html-3.20/doc/html/spec.html" target="_top">Exim
Specification Document</a>. The specific section on RBL is <a
- href="../exim-html-3.10/doc/html/spec_43.html#SEC758">here</a> and
+ href="../exim-html-3.20/doc/html/spec_46.html#SEC810">here</a> and
the rbl directives are documented starting <a
- href="../exim-html-3.10/doc/html/spec_11.html#SEC299">here</a></p>
+ href="../exim-html-3.20/doc/html/spec_11.html#SEC311">here</a></p>
<p>A typical configuration would be a mail system which rejects
- mail from machines that appear within the MAPS RBL list, and also
- checks hosts in the ORBS lists but only marking each message has
- coming via an RBLed host rather than rejecting them. Additionally
- all mail to the local postmaster always gets through, even if the
- host is in the MAPS RBL list. You also have a local private set
- of IPs which relay out through this mail server on net
- 192.168.0.0/24 - these cannot be contacted from outside your
- organisation so RBL is not an issue.</p>
+ mail from machines that appear within either the MAPS RBL list or
+ the MAPS DUL (Dial-Up List), and also checks hosts in the ORBS
+ lists but only marking each message has coming via an RBLed host
+ rather than rejecting them. Additionally all mail to the local
+ postmaster always gets through, even if the host is in the MAPS
+ RBL list. You also have a local private set of IPs which relay
+ out through this mail server on net 192.168.0.0/24 - these cannot
+ be contacted from outside your organisation so RBL is not an
+ issue.</p>
<p>The configuration fragment (in the main part of the exim
configuration file) to do this is:-</p>
<pre>
# reject messages whose sending host is in MAPS/RBL
# add warning to messages whose sending host is in ORBS
-rbl_domains = rbl.maps.vix.com/reject : relays.orbs.org/warn
+rbl_domains = blackholes.mail-abuse.org/reject : \
+ dialups.mail-abuse.org/reject : \
+ relays.mail-abuse.org/reject : \
+ relays.orbs.org/warn
# check all hosts other than those on internal network
-rbl_hosts = !192.168.0.0/24:0.0.0.0/24
+rbl_hosts = !192.168.0.0/24:0.0.0.0/0
# but allow mail to postmaster@my.dom.ain even from rejected host
recipients_reject_except = postmaster@my.dom.ain
# change some logging actions (collect more data)
<hr>
<address><a href="mailto:Postmaster@exim.org">Nigel Metheringham</a></address>
<!-- Created: Mon Aug 25 15:46:41 BST 1997 -->
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+ <h4>$Id: rbl.html,v 1.2 2000/08/01 08:34:21 nigel Exp $</h4>
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