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# Copyright (C) 1998-2006 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.
"""Contains all the common functionality for msg bounce scanning API.
This module can also be used as the basis for a bounce detection testing
framework. When run as a script, it expects two arguments, the listname and
the filename containing the bounce message.
"""
import sys
from Mailman.Logging.Syslog import syslog
# If a bounce detector returns Stop, that means to just discard the message.
# An example is warning messages for temporary delivery problems. These
# shouldn't trigger a bounce notification, but we also don't want to send them
# on to the list administrator.
class _Stop:
pass
Stop = _Stop()
BOUNCE_PIPELINE = [
'DSN',
'Qmail',
'Postfix',
'Yahoo',
'Caiwireless',
'Exchange',
'Exim',
'Netscape',
'Compuserve',
'Microsoft',
'GroupWise',
'SMTP32',
'SimpleMatch',
'SimpleWarning',
'Yale',
'LLNL',
]
# msg must be a mimetools.Message
def ScanMessages(mlist, msg):
for module in BOUNCE_PIPELINE:
modname = 'Mailman.Bouncers.' + module
__import__(modname)
addrs = sys.modules[modname].process(msg)
if addrs:
# Return addrs even if it is Stop. BounceRunner needs this info.
return addrs
return []
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