From 7c81624ff362d13423b3092c55031634bc1fb81f Mon Sep 17 00:00:00 2001
From: bwarsaw
Date: Sat, 9 Sep 2000 03:32:23 +0000
Subject: New bounce detector for what I think is called "Microsoft SMTPSVC",
 certainly what MSN and a few other services use.

---
 Mailman/Bouncers/Microsoft.py | 61 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Mailman/Bouncers/Microsoft.py

diff --git a/Mailman/Bouncers/Microsoft.py b/Mailman/Bouncers/Microsoft.py
new file mode 100644
index 000000000..76f226ad1
--- /dev/null
+++ b/Mailman/Bouncers/Microsoft.py
@@ -0,0 +1,61 @@
+# Copyright (C) 1998,1999,2000 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.
+
+"""Microsoft's `SMTPSVC' nears I kin tell."""
+
+import string
+import re
+import multifile
+
+from Mailman.pythonlib.StringIO import StringIO
+
+scre = re.compile(r'transcript of session follows', re.IGNORECASE)
+
+
+
+def process(msg):
+    if msg.gettype() <> 'multipart/mixed':
+        return None
+    boundary = msg.getparam('boundary')
+    msg.fp.seek(0)
+    mfile = multifile.MultiFile(msg.fp)
+    mfile.push(boundary)
+    # find the first subpart, which has no mime type
+    try:
+        more = mfile.next()
+    except multifile.Error:
+        # the message *looked* like a DSN, but it really wasn't :(
+        return None
+    if not more:
+        # we didn't find it
+        return None
+    addrs = []
+    # simple state machine
+    #    0 == nothng seen yet
+    #    1 == tag line seen
+    state = 0
+    while 1:
+        line = mfile.readline()
+        if not line:
+            break
+        line = string.strip(line)
+        if state == 0:
+            if scre.search(line):
+                state = 1
+        if state == 1:
+            if '@' in line:
+                addrs.append(line)
+    return addrs or []
-- 
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