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Diffstat (limited to 'mailman/Bouncers/Qmail.py')
| -rw-r--r-- | mailman/Bouncers/Qmail.py | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/mailman/Bouncers/Qmail.py b/mailman/Bouncers/Qmail.py new file mode 100644 index 000000000..b6eddd4fa --- /dev/null +++ b/mailman/Bouncers/Qmail.py @@ -0,0 +1,72 @@ +# 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. + +"""Parse bounce messages generated by qmail. + +Qmail actually has a standard, called QSBMF (qmail-send bounce message +format), as described in + + http://cr.yp.to/proto/qsbmf.txt + +This module should be conformant. + +""" + +import re +import email.Iterators + +# Other (non-standard?) intros have been observed in the wild. +introtags = [ + 'Hi. This is the', + "We're sorry. There's a problem", + 'Check your send e-mail address.', + 'This is the mail delivery agent at', + 'Unfortunately, your mail was not delivered' + ] +acre = re.compile(r'<(?P<addr>[^>]*)>:') + + + +def process(msg): + addrs = [] + # simple state machine + # 0 = nothing seen yet + # 1 = intro paragraph seen + # 2 = recip paragraphs seen + state = 0 + for line in email.Iterators.body_line_iterator(msg): + line = line.strip() + if state == 0: + for introtag in introtags: + if line.startswith(introtag): + state = 1 + break + elif state == 1 and not line: + # Looking for the end of the intro paragraph + state = 2 + elif state == 2: + if line.startswith('-'): + # We're looking at the break paragraph, so we're done + break + # At this point we know we must be looking at a recipient + # paragraph + mo = acre.match(line) + if mo: + addrs.append(mo.group('addr')) + # Otherwise, it must be a continuation line, so just ignore it + # Not looking at anything in particular + return addrs |
