[Pkg-mailman-hackers] Pkg-mailman commit - rev 621 - in trunk/debian: . contrib

[Thijs Kinkhorst]

Author: thijs
Date: 2009-03-21 19:11:09 +0000 (Sat, 21 Mar 2009)
New Revision: 621

Modified:
   trunk/debian/changelog
   trunk/debian/contrib/postfix-to-mailman.py
Log:
Apply patch from Tanguy Ortolo updating postfix-to-mailman
instructions to avoid backscatter mail (Closes: #520040).

Modified: trunk/debian/changelog
===================================================================
--- trunk/debian/changelog	2009-03-20 08:30:59 UTC (rev 620)
+++ trunk/debian/changelog	2009-03-21 19:11:09 UTC (rev 621)
@@ -3,8 +3,12 @@
   [ Lionel Elie Mamane ]
   * README.Exim4.Debian: add debug_print statements
 
- -- Lionel Elie Mamane <lmamane at debian.org>  Fri, 20 Mar 2009 09:30:35 +0100
+  [ Thijs Kinkhorst ]
+  * Apply patch from Tanguy Ortolo updating postfix-to-mailman
+    instructions to avoid backscatter mail (Closes: #520040).
 
+ -- Thijs Kinkhorst <thijs at debian.org>  Sat, 21 Mar 2009 20:10:13 +0100
+
 mailman (1:2.1.12-1) unstable; urgency=low
 
   * New upstream release.

Modified: trunk/debian/contrib/postfix-to-mailman.py
===================================================================
--- trunk/debian/contrib/postfix-to-mailman.py	2009-03-20 08:30:59 UTC (rev 620)
+++ trunk/debian/contrib/postfix-to-mailman.py	2009-03-21 19:11:09 UTC (rev 621)
@@ -45,6 +45,7 @@
 #
 # /etc/postfix/main.cf:
 #    relay_domains = ... lists.example.com
+#    relay_recipient_maps = ... hash:/var/lib/mailman/data/virtual-mailman
 #    transport_maps = hash:/etc/postfix/transport
 #    mailman_destination_recipient_limit = 1
 #
@@ -57,7 +58,8 @@
 #   lists.example.com   mailman:
 #
 # /etc/mailman/mm_cfg.py
-#    MTA = None # No MTA alias processing required
+#    MTA = Postfix # So that mailman generates the recipients table
+#    POSTFIX_STYLE_VIRTUAL_DOMAINS = ['lists.example.com']
 #    # alias for postmaster, abuse and mailer-daemon
 #    DEB_LISTMASTER = 'postmaster at example.com'
 #
@@ -67,10 +69,13 @@
 # here. Typically a virtual domain lists.domain.com is used for
 # Mailman, and domain.com for regular email.
 #
-# With the sheer amount of spam using faked addresses it seems more
-# appropriate to me to just reject non-existing addresses.  The old
-# behavior sending a helpful bounce message is still configurable
-# by defining DEB_HELP_TEXT in mm_cfg.
+# The recipient map allows Postfix to know which addresses exists.
+# Thus, if someone tries to send a (spam?) message to an undefined
+# address in the domain connected to Mailman, Postfix will just refuse
+# it instead of sending a (backscatter?) bounce.
+#
+# When you are done, restart Postfix, and run /usr/lib/mailman/bin/genaliases
+# to generate the initial recipient map for the existing mailing-lists.
 
 # Exit codes accepted by postfix
 #  from postfix-2.0.16/src/global/sys_exits.h