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diff --git a/src/mailman/Bouncers/Qmail.py b/src/mailman/Bouncers/Qmail.py
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+++ b/src/mailman/Bouncers/Qmail.py
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+# Copyright (C) 1998-2009 by the Free Software Foundation, Inc.
+#
+# This file is part of GNU Mailman.
+#
+# GNU Mailman 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 3 of the License, or (at your option)
+# any later version.
+#
+# GNU Mailman 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
+# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Parse bounce messages generated by qmail.
+
+Qmail actually has a standard, called QSBMF (qmail-send bounce message
+format), as described in
+
+    http://cr.yp.to/proto/qsbmf.txt
+
+This module should be conformant.
+
+"""
+
+import re
+import email.Iterators
+
+# Other (non-standard?) intros have been observed in the wild.
+introtags = [
+    'Hi. This is the',
+    "We're sorry. There's a problem",
+    'Check your send e-mail address.',
+    'This is the mail delivery agent at',
+    'Unfortunately, your mail was not delivered'
+    ]
+acre = re.compile(r'<(?P<addr>[^>]*)>:')
+
+
+
+def process(msg):
+    addrs = []
+    # simple state machine
+    #    0 = nothing seen yet
+    #    1 = intro paragraph seen
+    #    2 = recip paragraphs seen
+    state = 0
+    for line in email.Iterators.body_line_iterator(msg):
+        line = line.strip()
+        if state == 0:
+            for introtag in introtags:
+                if line.startswith(introtag):
+                    state = 1
+                    break
+        elif state == 1 and not line:
+            # Looking for the end of the intro paragraph
+            state = 2
+        elif state == 2:
+            if line.startswith('-'):
+                # We're looking at the break paragraph, so we're done
+                break
+            # At this point we know we must be looking at a recipient
+            # paragraph
+            mo = acre.match(line)
+            if mo:
+                addrs.append(mo.group('addr'))
+            # Otherwise, it must be a continuation line, so just ignore it
+        # Not looking at anything in particular
+    return addrs