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diff --git a/contrib/auto b/contrib/auto
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+++ b/contrib/auto
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+# -*- python -*-
+#
+# Copyright (C) 2000,2001,2002 by the Free Software Foundation, Inc.
+#
+# 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 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software 
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+"""Automatically send a message to a mailing list.
+"""
+
+# To use with Postfix, set the following in your main.cf file:
+#
+# recipient_delimiter = +
+# luser_relay = mm+$user@yourdomain.com
+# owner_request_special = no
+
+import sys
+import os
+import time
+
+import paths
+from Mailman import mm_cfg
+from Mailman import Utils
+from Mailman import MailList
+from Mailman import Errors
+from Mailman.Queue.sbcache import get_switchboard
+from Mailman.Logging.Utils import LogStdErr
+
+# Error code if it's really not a Mailman list addr destination
+EX_NOUSER = 67
+
+LogStdErr('auto', 'auto')
+
+DISPOSE_MAP = {None     : 'tolist',
+               'request': 'torequest',
+               'admin'  : 'toadmin',
+               'owner'  : 'toadmin',
+               }
+
+
+
+def fqdn_listname(listname, hostname):
+    return ('%s@%s' % (listname, hostname)).lower()
+
+
+
+def main():
+    # Postfix sets some environment variables based on information gleaned
+    # from the original message.  This is the most direct way to figure out
+    # which list the message was intended for.
+    extension = os.environ.get('EXTENSION', '').lower()
+    i = extension.rfind('-')
+    if i < 0:
+        listname = extension
+        subdest = 'tolist'
+    else:
+        missing = []
+        listname = extension[:i]
+        subdest = DISPOSE_MAP.get(extension[i+1:], missing)
+        if not Utils.list_exists(listname) or subdest is missing:
+            # must be a list that has a `-' in it's name
+            listname = extension
+            subdest = 'tolist'
+    if not listname:
+        print >> sys.stderr, 'Empty list name (someone being subversive?)'
+        return EX_NOUSER
+    try:
+        mlist = MailList.MailList(listname, lock=0)
+    except Errors.MMListError:
+        print >> sys.stderr, 'List not found:', listname
+        return EX_NOUSER
+
+    # Make sure that the domain part of the incoming address matches the
+    # domain of the mailing list.  Actually, it's possible that one or the
+    # other is more fully qualified, and thus longer.  So we split the domains
+    # by dots, reverse them and make sure that whatever parts /are/ defined
+    # for both are equivalent.
+    domain = os.environ.get('DOMAIN', '').lower()
+    domainp = domain.split('.')
+    hostname = mlist.host_name.split('.')
+    domainp.reverse()
+    hostname.reverse()
+    for ca, cb in zip(domainp, hostname):
+        if ca <> cb:
+            print >> sys.stderr, 'Domain mismatch: %s@%s (expected @%s)' \
+                  % (listname, domain, mlist.host_name)
+            return EX_NOUSER
+
+    if subdest is None:
+        print >> sys.stderr, 'Bad sub-destination:', extension
+        return EX_NOUSER
+
+    inq = get_switchboard(mm_cfg.INQUEUE_DIR)
+    inq.enqueue(sys.stdin.read(),
+                listname=listname,
+                received_time=time.time(),
+                _plaintext=1,
+                **{subdest: 1})
+    return 0
+
+
+
+if __name__ == '__main__':
+    code = main()
+    sys.exit(code)