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'Release_2_1-maint'.

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diff --git a/contrib/majordomo2mailman.pl b/contrib/majordomo2mailman.pl
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+#!/usr/bin/perl -w
+
+# majordomo2mailman.pl - Migrate Majordomo mailing lists to Mailman 2.0
+#          Copyright (C) 2002 Heiko Rommel (rommel@suse.de)
+
+# BAW: Note this probably needs to be upgraded to work with MM2.1
+
+#
+# License:
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 1, or (at your option)
+# any later version.
+
+#
+# Warranty:
+#
+# There's absolutely no warranty.
+#
+
+# comments on possible debug messages during the conversion:
+#
+# "not an valid email address" : those addresses are rejected, i.e. not imported into the Mailman list
+# "not a numeric value" : such a value will be converted to 0 (z.B. maxlength)
+# "already subscribed" : will only once be subscribed on the Mailman list
+# "...umbrella..." or "...taboo..." -> Mailman-Admin-Guide
+
+use strict;
+use Getopt::Long;
+use Fcntl;
+use POSIX qw (tmpnam);
+
+use vars qw (
+	     $majordomo $mydomain $myurl
+	     $aliasin $listdir
+	     $aliasout $mailmanbin
+	     $umbrella_member_suffix $private 
+	     $newsserver $newsprefix
+	     $susehack $susearchuser
+	     $help $debug $update $all $usagemsg
+	     *FH
+	     %mlaliases %mlowners %mlapprovers
+	     %defaultmlconf %mlconf
+	     %defaultmmconf %mmconf
+);
+
+#
+# adjust your site-specific settings here
+#
+
+$mydomain               = "my.domain";
+$majordomo              = "majordomo"; # the master Majordomo address for your site
+$aliasin                = "/var/lib/majordomo/aliases";
+$listdir                = "/var/lib/majordomo/lists";
+$aliasout               = "/tmp/aliases";
+$myurl                  = "http://my.domain/mailman/";
+$mailmanbin             = "/usr/lib/mailman/bin";
+$umbrella_member_suffix = "-owner";
+$private                = "yes"; # is this a private/Intranet site ?
+$newsserver             = "news.my.domain";
+$newsprefix             = "intern.";
+
+$susehack = "no";
+$susearchuser = "archdummy";
+
+#
+# 0)
+# parse the command line arguments
+#
+
+$usagemsg = "usage: majordomo2mailman [-h|--help] [-d|--debug] [-u|--update] < (-a|--all) | list-of-mailinglists >";
+
+GetOptions(
+           "h|help" => \$help,
+	   "d|debug" => \$debug,
+	   "a|all" => \$all,
+	   "u|update" => \$update
+) or die "$usagemsg\n";
+
+if (defined($help)) { die "$usagemsg\n"; }
+
+if ((not defined($all)) and (@ARGV<1)) { die "$usagemsg\n"; }
+
+if ($<) { die "this script must be run as root!\n"; }
+
+#
+# 1)
+# build a list of all aliases and extract the name of mailing lists plus their owners
+#
+
+%mlaliases = %mlowners = %mlapprovers = ();
+
+open (FH, "< $aliasin") or die "can't open $aliasin\n";
+
+while (<FH>) {
+  # first, build a list of all active aliases and their resolution
+  if (/^([^\#:]+)\s*:\s*(.*)$/) {
+    $mlaliases{$1} = $2;
+  }
+}
+
+my $mlalias;
+for $mlalias (keys %mlaliases) {
+  # if we encounter an alias with :include: as expansion
+  # it is save to assume that the alias has the form
+  # <mailinglist>-outgoing -
+  # that way we find the names of all active mailing lists
+  if ($mlaliases{$mlalias} =~ /\:include\:/) {
+    my $ml;
+    ($ml = $mlalias) =~ s/-outgoing//g;
+    $mlowners{$ml} = $mlaliases{"owner-$ml"};
+    $mlapprovers{$ml} = $mlaliases{"$ml-approval"};
+  }
+}
+
+close (FH);
+
+#
+# 2)
+# for each list read the Majordomo configuration params
+# and create a Mailman clone
+#
+
+my $ml;
+for $ml ((defined ($all)) ? sort keys %mlowners : @ARGV) {
+
+  init_defaultmlconf($ml);
+  %mlconf = %defaultmlconf;
+
+  init_defaultmmconf($ml);
+  %mmconf = %defaultmmconf;
+
+  my @privileged; # addresses that are mentioned in restrict_post
+  my @members;
+  my ($primaryowner, @secondaryowner);
+  my ($primaryapprover, @secondaryapprover);
+
+  my ($skey, $terminator);
+  my $filename;
+  my @args;
+
+  #
+  # a)
+  # parse the configuration file
+  #
+
+  open (FH, "< $listdir/$ml.config") or die "can't open $listdir/$ml.config\n";
+
+  while (<FH>) {
+    # key = value ?
+    if (/^\s*([^=\#\s]+)\s*=\s*(.*)\s*$/) {
+      $mlconf{$1} = $2;
+    }
+    # key << EOF
+    # value
+    # EOF ?
+    elsif (/^\s*([^<\#\s]+)\s*<<\s*(.*)\s*$/) {
+      ($skey, $terminator) = ($1, $2);
+      while (<FH>) {
+	last if (/^$terminator\s*$/);
+	$mlconf{$skey} .= $_;
+      }
+      chomp $mlconf{$skey};
+    }
+  }
+
+  close (FH);
+
+  #
+  # b)
+  # test if there are so-called flag files (clue that this is an old-style Majordomo lists)
+  # and overwrite previously parsed values
+  # (stolen from majordomo::config_parse.pl: handle_flag_files())
+  #
+
+  if ( -e "$listdir/$ml.private") {
+    $mlconf{"get_access"} = "closed";
+    $mlconf{"index_access"} = "closed";
+    $mlconf{"who_access"} = "closed";
+    $mlconf{"which_access"} = "closed";
+  }
+
+  $mlconf{"subscribe_policy"} = "closed" if ( -e "$listdir/$ml.closed");
+  $mlconf{"unsubscribe_policy"} = "closed" if ( -e "$listdir/$ml.closed");
+
+  if ( -e "$listdir/$ml.auto" && -e "$listdir/$ml.closed") {
+    print STDERR "sowohl $ml.auto als auch $ml.closed existieren. Wähle $ml.closed\n"; 
+  }
+  else {
+    $mlconf{"subscribe_policy"} = "auto" if ( -e"$listdir/$ml.auto"); 
+    $mlconf{"unsubscribe_policy"} = "auto" if ( -e"$listdir/$ml.auto"); 
+  }
+
+  $mlconf{"strip"} = 1 if ( -e "$listdir/$ml.strip");
+  $mlconf{"noadvertise"} = "/.*/" if ( -e "$listdir/$ml.hidden");
+
+  # admin_passwd:
+  $filename = "$listdir/" . $mlconf{"admin_passwd"};
+  if ( -e "$listdir/$ml.passwd" ) {
+    $mlconf{"admin_passwd"} = read_from_file("$listdir/$ml.passwd");
+  }
+  elsif ( -e "$filename" ) {
+    $mlconf{"admin_passwd"} = read_from_file("$filename");
+  }
+  # else take it verbatim
+
+  # approve_passwd:
+  $filename = "$listdir/" . $mlconf{"approve_passwd"};
+  if ( -e "$listdir/$ml.passwd" ) {
+    $mlconf{"approve_passwd"} = read_from_file("$listdir/$ml.passwd");
+  }
+  elsif ( -e "$filename" ) {
+    $mlconf{"approve_passwd"} = read_from_file("$filename");
+  }
+  # else take it verbatim
+
+  #
+  # c)
+  # add some information from additional configuration files
+  #
+
+  # restrict_post
+  if (defined ($mlconf{"restrict_post"})) {
+    @privileged = ();
+    for $filename (split /\s+/, $mlconf{"restrict_post"}) {
+      open (FH, "< $listdir/$filename") or die "can't open $listdir/$filename\n";
+      push (@privileged, <FH>);
+      chomp @privileged;
+      close (FH);
+    }
+  }
+
+  if ($susehack =~ m/yes/i) {
+    @privileged = grep(!/$susearchuser\@$mydomain/i, @privileged);
+  }
+
+  $mlconf{"privileged"} = \@privileged;
+
+  # members
+  @members = ();
+  open (FH, "< $listdir/$ml") or die "can't open $listdir/$ml\n";
+  push (@members, <FH>);
+  chomp @members;
+  close (FH);
+
+  $mlconf{"gated"} = "no";
+
+  if ($susehack =~ m/yes/i) {
+    if (grep(/$susearchuser\@$mydomain/i, @members)) {
+      $mlconf{"gated"} = "yes";
+    }
+    @members = grep(!/$susearchuser\@$mydomain/i, @members);
+  }
+
+  $mlconf{"members"} = \@members;
+
+  # intro message
+  if (open (FH, "< $listdir/$ml.intro")) {
+    { local $/; $mlconf{"intro"} = <FH>; }
+  }
+  else { $mlconf{"intro"} = ""; }
+
+  # info message
+  if (open (FH, "< $listdir/$ml.info")) {
+    { local $/; $mlconf{"info"} = <FH>; }
+  }
+  else { $mlconf{"info"} = ""; }
+  
+  #
+  # d)
+  # take over some other params into the configuration table
+  #
+
+  $mlconf{"name"} = "$ml";
+
+  ($primaryowner, @secondaryowner) = 
+    expand_alias (split (/\s*,\s*/, aliassub($mlowners{$ml})));
+
+  ($primaryapprover, @secondaryapprover) =
+    expand_alias (split (/\s*,\s*/, aliassub($mlapprovers{$ml})));
+
+  $mlconf{"primaryowner"} = $primaryowner;
+  $mlconf{"secondaryowner"} = \@secondaryowner;
+
+  $mlconf{"primaryapprover"} = $primaryapprover;
+  $mlconf{"secondaryapprover"} = \@secondaryapprover;
+
+  #
+  # debugging output
+  #
+
+  if (defined ($debug)) {
+    print "##################### $ml ####################\n";
+    for $skey (sort keys %mlconf) {
+      if (defined ($mlconf{$skey})) { print "$skey = $mlconf{$skey}\n"; }
+      else { print "$skey = (?)\n"; }
+    }
+    my $priv;
+    for $priv (@privileged) {
+      print "\t$ml: $priv\n";
+    }
+  }
+
+  #
+  # e)
+  # with the help of Mailman commands - create a new list and subscribe the old staff
+  #
+
+  if (defined($update)) {
+    print "updating configuration of \"$ml\"\n";
+  }
+  else {
+    # Mailman lists can initially be only created with one owner
+    @args = ("$mailmanbin/newlist", "-q", "-o", "$aliasout", "$ml", $mlconf{"primaryowner"}, $mlconf{"admin_passwd"});
+    system (@args) == 0 or die "system @args failed: $?";
+  }
+   
+  # Mailman accepts only subscriber lists > 0
+  if (@members > 0) {
+    $filename = tmpnam();
+    open (FH, "> $filename") or die "can't open $filename\n";
+    for $skey (@members) {
+      print FH "$skey" . "\n";
+    }
+    close (FH);
+    @args = ("$mailmanbin/add_members", "-n", "$filename", "--welcome-msg=n", "$ml");
+    system (@args) == 0 or die "system @args failed: $?";
+  }
+
+  #
+  # f)
+  # "translate" the Majordomo list configuration
+  #
+
+  m2m();
+
+  # write the Mailman config
+
+  $filename = tmpnam();
+
+  open (FH, "> $filename") or die "can't open $filename\n";
+  for $skey (sort keys %mmconf) {
+    print FH "$skey = " . $mmconf{$skey} . "\n";
+  }
+  close (FH);
+
+  @args = ("$mailmanbin/config_list", "-i", "$filename", "$ml");
+  system (@args) == 0 or die "system @args failed: $?";
+
+  unlink($filename) or print STDERR "unable to unlink \"$filename\"!\n";
+
+}
+
+exit 0;
+
+#############
+# subs
+#############
+
+#
+# I don't know how to write Perl code
+# therefor I need this stupid procedure to cleanly read a value from file
+#
+
+sub read_from_file {
+  my $value;
+  local *FH;
+
+  open (FH, "< $_[0]") or die "can't open $_[0]\n";
+  $value = <FH>;
+  chomp $value;
+  close (FH);
+
+  return $value;
+}
+
+
+#
+# add "@$mydomain" to each element that does not contain a "@"
+#
+
+sub expand_alias {
+  return map  { (not $_ =~ /@/) ? $_ .= "\@$mydomain" : $_ } @_;
+}
+
+#
+# replace the typical owner-majordomo aliases
+#
+
+sub aliassub {
+  my $string = $_[0];
+
+  $string =~ s/(owner-$majordomo|$majordomo-owner)/mailman-owner/gi;
+
+  return $string;
+}
+
+#
+# default values of Majordomo mailing lists
+# (stolen from majordomo::config_parse.pl: %known_keys)
+#
+
+sub init_defaultmlconf {
+  my $ml = $_[0];
+
+  %defaultmlconf=(  
+		     'welcome',	"yes",
+		     'announcements',	"yes",
+		     'get_access',	"open",
+		     'index_access',	"open",
+		     'who_access',	"open",
+		     'which_access',	"open",
+		     'info_access',	"open",
+		     'intro_access',	"open",
+		     'advertise',	"",
+		     'noadvertise',	"",
+		     'description',	"",
+		     'subscribe_policy',	"open",
+		     'unsubscribe_policy',	"open",
+		     'mungedomain',	"no",
+		     'admin_passwd',	"$ml.admin",
+		     'strip',		"yes",
+		     'date_info',	"yes",
+		     'date_intro',	"yes",
+		     'archive_dir',	"",
+		     'moderate',	"no",
+		     'moderator',	"",
+		     'approve_passwd', "$ml.pass",
+		     'sender', 	"owner-$ml",
+		     'maxlength', 	"40000",
+		     'precedence', 	"bulk",
+		     'reply_to', 	"",
+		     'restrict_post',	"",
+		     'purge_received', "no",
+		     'administrivia', 	"yes",
+		     'resend_host', 	"",
+		     'debug', 		"no",
+		     'message_fronter', "",
+		     'message_footer',  "",
+		     'message_headers', "",
+		     'subject_prefix',	"",
+		     'taboo_headers',	"",
+		     'taboo_body',	"",
+		     'digest_volume',	"1",
+		     'digest_issue',	"1",
+		     'digest_work_dir', "",
+		     'digest_name',	"$ml",
+		     'digest_archive',	"",
+		     'digest_rm_footer',    "",
+		     'digest_rm_fronter',   "",  
+		     'digest_maxlines', "",
+		     'digest_maxdays',	"",
+		     'comments',	""
+		    );
+}
+
+
+#
+# Mailman mailing list params that are not derived from Majordomo mailing lists params
+# (e.g. bounce_matching_headers+forbbiden_posters vs. taboo_headers+taboo_body)
+# If you need one of this params to be variable remove it here and add some code to the 
+# main procedure; additionally, you should compare it with what you have in
+# /usr/lib/mailman/Mailman/mm_cfg.py
+#
+
+sub init_defaultmmconf {
+
+  %defaultmmconf=(  
+		  'goodbye_msg', "\'\'",
+		  'umbrella_list', "0",
+		  'umbrella_member_suffix', "\'$umbrella_member_suffix\'",
+		  'send_reminders', "0",
+		  'admin_immed_notify', "1",
+		  'admin_notify_mchanges', "0",
+		  'dont_respond_to_post_requests', "0",
+		  'obscure_addresses', "1",
+		  'require_explicit_destination', "1",
+		  'acceptable_aliases', "\"\"\"\n\"\"\"\n",
+		  'max_num_recipients', "10",
+		  'forbidden_posters', "[]",
+		  'bounce_matching_headers',  "\"\"\"\n\"\"\"\n",
+		  'anonymous_list', "0",
+		  'nondigestable', "1",
+		  'digestable', "1",
+		  'digest_is_default', "0",
+		  'mime_is_default_digest', "0",
+		  'digest_size_threshhold', "40",
+		  'digest_send_periodic', "1",
+		  'digest_header', "\'\'",
+		  'bounce_processing', "1",
+		  'minimum_removal_date', "4",
+		  'minimum_post_count_before_bounce_action', "3",
+		  'max_posts_between_bounces', "5",
+		  'automatic_bounce_action', "3",
+		  'archive_private', "0",
+		  'clobber_date', "1",
+		  'archive_volume_frequency', "1",
+		  'autorespond_postings', "0",
+		  'autoresponse_postings_text', "\'\'",
+		  'autorespond_admin', "0",
+		  'autoresponse_admin_text', "\'\'",
+		  'autorespond_requests', "0",
+		  'autoresponse_request_text', "\'\'",
+		  'autoresponse_graceperiod', "90"
+		 );
+}
+
+#
+# convert a Majordomo mailing list configuration (%mlconf) into a 
+# Mailman mailing list configuration (%mmconf)
+# only those params are affected which can be derived from Majordomo 
+# mailing list configurations
+#
+
+sub m2m {
+
+  my $elem;
+  my $admin;
+
+  $mmconf{"real_name"} = "\'" . $mlconf{"name"} . "\'";
+
+  # Mailman does not know the difference between owner and approver
+  for $admin (($mlconf{"primaryowner"}, @{$mlconf{"secondaryowner"}},
+	       $mlconf{"primaryapprover"}, @{$mlconf{"secondarapprover"}})) {
+    # merging owners and approvers may result in a loop:
+    if (lc($admin) ne lc("owner-" . $mlconf{"name"} . "\@" . $mydomain)) {
+      $mmconf{"owner"} .= ",\'" . "$admin" . "\'";
+    }
+  }
+  $mmconf{"owner"} =~ s/^,//g;
+  $mmconf{"owner"} = "\[" . $mmconf{"owner"} . "\]";
+
+  # remove characters that will break Python
+  ($mmconf{"description"} = $mlconf{"description"}) =~ s/\'/\\\'/g;
+  $mmconf{"description"} = "\'" . $mmconf{"description"} . "\'";
+
+  $mmconf{"info"} = "\"\"\"\n" . $mlconf{"info"} . "\"\"\"\n";
+
+  $mmconf{"subject_prefix"} = "\'" . $mlconf{"subject_prefix"} . "\'";
+
+  $mmconf{"welcome_msg"} = "\"\"\"\n" . $mlconf{"intro"} . "\"\"\"\n";
+
+  # I don't know how to handle this because the reply_to param in the lists
+  # I had were not configured consistently
+  if ($mlconf{"reply_to"} =~ /\S+/) {
+    if ($mlconf{"name"} . "\@" =~ m/$mlconf{"reply_to"}/i) {
+      $mmconf{"reply_goes_to_list"} = "1";
+      $mmconf{"reply_to_address"} = "\'\'";
+    }
+    else {
+      $mmconf{"reply_goes_to_list"} = "2";
+      $mmconf{"reply_to_address"} = "\'" . $mlconf{"reply_to"} . "\'";
+    }
+  }
+  else {
+    $mmconf{"reply_goes_to_list"} = "0";
+    $mmconf{"reply_to_address"} = "\'\'";
+  }
+
+  $mmconf{"administrivia"} = ($mlconf{"administrivia"} =~ m/yes/i) ? "1" : "0";
+  $mmconf{"send_welcome_msg"} = ($mlconf{"welcome"} =~ m/yes/i) ? "1" : "0";
+
+  $mmconf{"max_message_size"} = int ($mlconf{"maxlength"} / 1000);
+
+  $mmconf{"host_name"} = ($mlconf{"resend_host"} =~ /\S+/) ? 
+    $mlconf{"resend_host"} : "\'" . $mydomain . "\'";
+
+  $mmconf{"web_page_url"} = "\'" . $myurl . "\'";
+
+  # problematic since Mailman does not know access patterns
+  # I assume, that if there was given a noadvertise pattern, the
+  # list shouldn't be visible at all
+  $mmconf{"advertised"} = ($mlconf{"noadvertise"} =~ /\.\*/) ? "0" : "1";
+
+  # confirm+approval is much to long winded for private sites
+  $mmconf{"subscribe_policy"} = 
+    ($mlconf{"subscribe_policy"} =~ m/(open|auto)/i) ? "1" : 
+      ($private =~ m/yes/i) ? "2" : "3";
+
+  # in case this is a private site allow list visiblity at most
+  $mmconf{"private_roster"} =
+    ($mlconf{"who_access"} =~ m/open/i and not $private =~ m/yes/i) ? "0" :
+      ($mlconf{"who_access"} =~ m/open|list/i) ? "1" : "2";
+
+  $mmconf{"moderated"} = ($mlconf{"moderate"} =~ m/yes/i) ? "1" : "0";
+  # there is no way to a set a separate moderator in Mailman
+
+  # external, since lengthy
+  mm_posters();
+
+  if ($mlconf{"message_fronter"} =~ /\S+/) {
+    $mmconf{"msg_header"} = "\"\"\"\n" . $mlconf{"message_fronter"} . "\"\"\"\n";
+  }
+  else {
+    $mmconf{"msg_header"} = "\'\'";
+  }
+
+  if ($mlconf{"message_footer"} =~ /\S+/) {
+    $mmconf{"msg_footer"} = "\"\"\"\n" . $mlconf{"message_footer"} . "\"\"\"\n";
+  }
+  else {
+    $mmconf{"msg_footer"} = "\'\'";
+  }
+
+  # gateway to news
+  $mmconf{"nntp_host"} = "\'" . $newsserver . "\'";
+  $mmconf{"linked_newsgroup"} = "\'" . $newsprefix . $mlconf{"name"} . "\'";
+
+  if ($mlconf{"gated"} =~ m/yes/i) {
+    $mmconf{"gateway_to_news"} = "1";
+    $mmconf{"gateway_to_mail"} = "1";
+    $mmconf{"archive"} = "1";
+  }
+  else {
+    $mmconf{"gateway_to_news"} = "0";
+    $mmconf{"gateway_to_mail"} = "0";
+    $mmconf{"archive"} = "0";
+  }
+
+  # print warnings if this seems to be an umbrella list
+  for $elem (@{$mlconf{"privileged"}}, @{$mlconf{"members"}}) {
+    $elem =~ s/\@$mydomain//gi;
+    if (defined($mlaliases{$elem . $umbrella_member_suffix})) {
+      print STDERR "\"" . $mlconf{"name"} .
+	 "\" possibly forms part off/is an umbrella list, since \"$elem\" is a local mailing list alias\n";   
+    }
+  }
+
+  # print warnings if we encountered a Taboo-Header or Taboo-Body
+  if ($mlconf{"taboo_headers"} =~ /\S+/ or $mlconf{"taboo_body"} =~ /\S+/) {
+    print STDERR "\"" . $mlconf{"name"} . "\" taboo_headers or taboo_body seem to be set - please check manually.\n";
+  }
+}
+
+#
+# with some set theory on the member and priviliged list try to determine the params
+# $mmconf{"member_posting_only"} and $mmconf{"posters"}
+#
+
+sub mm_posters {
+  if ($mlconf{"restrict_post"} =~ /\S+/) {
+    my %privileged = ();
+    my %members = ();
+    my $key;
+
+    foreach $key (@{$mlconf{"privileged"}}) { $privileged{$key} = "OK"; }
+    foreach $key (@{$mlconf{"members"}}) { $members{$key} = "OK"; }
+
+    # are all members privileged, too ?
+    my $included = 1;
+    foreach $key (keys %members) {
+      if (not exists $privileged{$key}) {
+	$included = 0;
+	last;
+      }
+    }
+    if ($included) {
+      $mmconf{"member_posting_only"} = "1";
+
+      # posters = privileged - members:
+      my %diff = %privileged;
+      foreach $key (keys %members) {
+	delete $diff{$key} if exists $members{$key};
+      }
+
+      $mmconf{"posters"} = "";
+      for $key (sort keys %diff) {
+	$mmconf{"posters"} .= ",\'" . $key . "\'";
+      }
+      $mmconf{"posters"} =~ s/^,//g;
+      $mmconf{"posters"} = "[" . $mmconf{"posters"} . "]";
+    }
+    else {
+      $mmconf{"member_posting_only"} = "0";
+
+      # posters = privileged:
+      $mmconf{"posters"} = "";
+      for $key (sort keys %privileged) {
+	$mmconf{"posters"} .= ",\'" . $key . "\'";
+      }
+      $mmconf{"posters"} =~ s/^,//g;
+      $mmconf{"posters"} = "[" . $mmconf{"posters"} . "]";
+    }
+  }
+  else {
+    $mmconf{"member_posting_only"} = "0";
+    $mmconf{"posters"} = "[]";
+  }
+}
+