1 files changed, 48 insertions, 0 deletions
diff --git a/src/mailman/bouncers/exim.py b/src/mailman/bouncers/exim.py
new file mode 100644
index 000000000..7241eae3c
--- /dev/null
+++ b/src/mailman/bouncers/exim.py
@@ -0,0 +1,48 @@
+# Copyright (C) 1998-2011 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 Exim.
+
+Exim adds an X-Failed-Recipients: header to bounce messages containing
+an `addresslist' of failed addresses.
+
+"""
+
+from __future__ import absolute_import, unicode_literals
+
+__metaclass__ = type
+__all__ = [
+    'Exim',
+    ]
+
+
+from email.utils import getaddresses
+from zope.interface import implements
+
+from mailman.interfaces.bounce import IBounceDetector
+
+
+
+class Exim:
+    """Parse bounce messages generated by Exim."""
+
+    implements(IBounceDetector)
+
+    def process(self, msg):
+        """See `IBounceDetector`."""
+        all = msg.get_all('x-failed-recipients', [])
+        return [address for name, address in getaddresses(all)]