1 files changed, 47 insertions, 0 deletions
diff --git a/mailman/Bouncers/Exchange.py b/mailman/Bouncers/Exchange.py
new file mode 100644
index 000000000..591afd146
--- /dev/null
+++ b/mailman/Bouncers/Exchange.py
@@ -0,0 +1,47 @@
+# Copyright (C) 2002-2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+"""Recognizes (some) Microsoft Exchange formats."""
+
+import re
+import email.Iterators
+
+scre = re.compile('did not reach the following recipient')
+ecre = re.compile('MSEXCH:')
+a1cre = re.compile('SMTP=(?P<addr>[^;]+); on ')
+a2cre = re.compile('(?P<addr>[^ ]+) on ')
+
+
+
+def process(msg):
+    addrs = {}
+    it = email.Iterators.body_line_iterator(msg)
+    # Find the start line
+    for line in it:
+        if scre.search(line):
+            break
+    else:
+        return []
+    # Search each line until we hit the end line
+    for line in it:
+        if ecre.search(line):
+            break
+        mo = a1cre.search(line)
+        if not mo:
+            mo = a2cre.search(line)
+        if mo:
+            addrs[mo.group('addr')] = 1
+    return addrs.keys()