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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.
-
-"""Recognizes simple heuristically delimited bounces."""
-
-import re
-import email.Iterators
-
-
-
-def _c(pattern):
- return re.compile(pattern, re.IGNORECASE)
-
-# This is a list of tuples of the form
-#
-# (start cre, end cre, address cre)
-#
-# where `cre' means compiled regular expression, start is the line just before
-# the bouncing address block, end is the line just after the bouncing address
-# block, and address cre is the regexp that will recognize the addresses. It
-# must have a group called `addr' which will contain exactly and only the
-# address that bounced.
-PATTERNS = [
- # sdm.de
- (_c('here is your list of failed recipients'),
- _c('here is your returned mail'),
- _c(r'<(?P<addr>[^>]*)>')),
- # sz-sb.de, corridor.com, nfg.nl
- (_c('the following addresses had'),
- _c('transcript of session follows'),
- _c(r'<(?P<fulladdr>[^>]*)>|\(expanded from: <?(?P<addr>[^>)]*)>?\)')),
- # robanal.demon.co.uk
- (_c('this message was created automatically by mail delivery software'),
- _c('original message follows'),
- _c('rcpt to:\s*<(?P<addr>[^>]*)>')),
- # s1.com (InterScan E-Mail VirusWall NT ???)
- (_c('message from interscan e-mail viruswall nt'),
- _c('end of message'),
- _c('rcpt to:\s*<(?P<addr>[^>]*)>')),
- # Smail
- (_c('failed addresses follow:'),
- _c('message text follows:'),
- _c(r'\s*(?P<addr>\S+@\S+)')),
- # newmail.ru
- (_c('This is the machine generated message from mail service.'),
- _c('--- Below the next line is a copy of the message.'),
- _c('<(?P<addr>[^>]*)>')),
- # turbosport.com runs something called `MDaemon 3.5.2' ???
- (_c('The following addresses did NOT receive a copy of your message:'),
- _c('--- Session Transcript ---'),
- _c('[>]\s*(?P<addr>.*)$')),
- # usa.net
- (_c('Intended recipient:\s*(?P<addr>.*)$'),
- _c('--------RETURNED MAIL FOLLOWS--------'),
- _c('Intended recipient:\s*(?P<addr>.*)$')),
- # hotpop.com
- (_c('Undeliverable Address:\s*(?P<addr>.*)$'),
- _c('Original message attached'),
- _c('Undeliverable Address:\s*(?P<addr>.*)$')),
- # Another demon.co.uk format
- (_c('This message was created automatically by mail delivery'),
- _c('^---- START OF RETURNED MESSAGE ----'),
- _c("addressed to '(?P<addr>[^']*)'")),
- # Prodigy.net full mailbox
- (_c("User's mailbox is full:"),
- _c('Unable to deliver mail.'),
- _c("User's mailbox is full:\s*<(?P<addr>[^>]*)>")),
- # Microsoft SMTPSVC
- (_c('The email below could not be delivered to the following user:'),
- _c('Old message:'),
- _c('<(?P<addr>[^>]*)>')),
- # Yahoo on behalf of other domains like sbcglobal.net
- (_c('Unable to deliver message to the following address\(es\)\.'),
- _c('--- Original message follows\.'),
- _c('<(?P<addr>[^>]*)>:')),
- # googlemail.com
- (_c('Delivery to the following recipient failed'),
- _c('----- Original message -----'),
- _c('^\s*(?P<addr>[^\s@]+@[^\s@]+)\s*$')),
- # kundenserver.de
- (_c('A message that you sent could not be delivered'),
- _c('^---'),
- _c('<(?P<addr>[^>]*)>')),
- # another kundenserver.de
- (_c('A message that you sent could not be delivered'),
- _c('^---'),
- _c('^(?P<addr>[^\s@]+@[^\s@:]+):')),
- # thehartford.com
- (_c('Delivery to the following recipients failed'),
- # this one may or may not have the original message, but there's nothing
- # unique to stop on, so stop on the first line of at least 3 characters
- # that doesn't start with 'D' (to not stop immediately) and has no '@'.
- _c('^[^D][^@]{2,}$'),
- _c('^\s*(?P<addr>[^\s@]+@[^\s@]+)\s*$')),
- # and another thehartfod.com/hartfordlife.com
- (_c('^Your message\s*$'),
- _c('^because:'),
- _c('^\s*(?P<addr>[^\s@]+@[^\s@]+)\s*$')),
- # kviv.be (InterScan NT)
- (_c('^Unable to deliver message to'),
- _c(r'\*+\s+End of message\s+\*+'),
- _c('<(?P<addr>[^>]*)>')),
- # earthlink.net supported domains
- (_c('^Sorry, unable to deliver your message to'),
- _c('^A copy of the original message'),
- _c('\s*(?P<addr>[^\s@]+@[^\s@]+)\s+')),
- # ademe.fr
- (_c('^A message could not be delivered to:'),
- _c('^Subject:'),
- _c('^\s*(?P<addr>[^\s@]+@[^\s@]+)\s*$')),
- # andrew.ac.jp
- (_c('^Invalid final delivery userid:'),
- _c('^Original message follows.'),
- _c('\s*(?P<addr>[^\s@]+@[^\s@]+)\s*$')),
- # E500_SMTP_Mail_Service@lerctr.org
- (_c('------ Failed Recipients ------'),
- _c('-------- Returned Mail --------'),
- _c('<(?P<addr>[^>]*)>')),
- # cynergycom.net
- (_c('A message that you sent could not be delivered'),
- _c('^---'),
- _c('(?P<addr>[^\s@]+@[^\s@)]+)')),
- # LSMTP for Windows
- (_c('^--> Error description:\s*$'),
- _c('^Error-End:'),
- _c('^Error-for:\s+(?P<addr>[^\s@]+@[^\s@]+)')),
- # Qmail with a tri-language intro beginning in spanish
- (_c('Your message could not be delivered'),
- _c('^-'),
- _c('<(?P<addr>[^>]*)>:')),
- # socgen.com
- (_c('Your message could not be delivered to'),
- _c('^\s*$'),
- _c('(?P<addr>[^\s@]+@[^\s@]+)')),
- # dadoservice.it
- (_c('Your message has encountered delivery problems'),
- _c('Your message reads'),
- _c('addressed to\s*(?P<addr>[^\s@]+@[^\s@)]+)')),
- # gomaps.com
- (_c('Did not reach the following recipient'),
- _c('^\s*$'),
- _c('\s(?P<addr>[^\s@]+@[^\s@]+)')),
- # EYOU MTA SYSTEM
- (_c('This is the deliver program at'),
- _c('^-'),
- _c('^(?P<addr>[^\s@]+@[^\s@<>]+)')),
- # A non-standard qmail at ieo.it
- (_c('this is the email server at'),
- _c('^-'),
- _c('\s(?P<addr>[^\s@]+@[^\s@]+)[\s,]')),
- # pla.net.py (MDaemon.PRO ?)
- (_c('- no such user here'),
- _c('There is no user'),
- _c('^(?P<addr>[^\s@]+@[^\s@]+)\s')),
- # Next one goes here...
- ]
-
-
-
-def process(msg, patterns=None):
- if patterns is None:
- patterns = PATTERNS
- # simple state machine
- # 0 = nothing seen yet
- # 1 = intro seen
- addrs = {}
- # MAS: This is a mess. The outer loop used to be over the message
- # so we only looped through the message once. Looping through the
- # message for each set of patterns is obviously way more work, but
- # if we don't do it, problems arise because scre from the wrong
- # pattern set matches first and then acre doesn't match. The
- # alternative is to split things into separate modules, but then
- # we process the message multiple times anyway.
- for scre, ecre, acre in patterns:
- state = 0
- for line in email.Iterators.body_line_iterator(msg):
- if state == 0:
- if scre.search(line):
- state = 1
- if state == 1:
- mo = acre.search(line)
- if mo:
- addr = mo.group('addr')
- if addr:
- addrs[mo.group('addr')] = 1
- elif ecre.search(line):
- break
- if addrs:
- break
- return addrs.keys()
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-08 21:46:45 +0000