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# Copyright (C) 1998-2008 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.
"""Microsoft's `SMTPSVC' nears I kin tell."""
import re
from cStringIO import StringIO
from types import ListType
scre = re.compile(r'transcript of session follows', re.IGNORECASE)
def process(msg):
if msg.get_content_type() <> 'multipart/mixed':
return None
# Find the first subpart, which has no MIME type
try:
subpart = msg.get_payload(0)
except IndexError:
# The message *looked* like a multipart but wasn't
return None
data = subpart.get_payload()
if isinstance(data, ListType):
# The message is a multi-multipart, so not a matching bounce
return None
body = StringIO(data)
state = 0
addrs = []
while 1:
line = body.readline()
if not line:
break
if state == 0:
if scre.search(line):
state = 1
if state == 1:
if '@' in line:
addrs.append(line)
return addrs
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