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-rw-r--r--Mailman/Queue/BounceRunner.py17
1 files changed, 14 insertions, 3 deletions
diff --git a/Mailman/Queue/BounceRunner.py b/Mailman/Queue/BounceRunner.py
index bb0e49da..11fe3fcb 100644
--- a/Mailman/Queue/BounceRunner.py
+++ b/Mailman/Queue/BounceRunner.py
@@ -180,11 +180,21 @@ class BounceRunner(Runner, BounceMixin):
# but a list owner address itself bounced. That's bad, and for now
# we'll simply log the problem and attempt to deliver the message to
# the site owner.
- #
+ # - the list owner could have set listname-bounces as the owner
+ # address. That's really bad as it results in a loop of ever
+ # growing unrecognized bounce messages. We detect this based on the
+ # X-BeenThere header and handle it like a list owner bounce. No
+ # real bounce will have an X-BeenThere header for the list.
+ bts = [s.strip().lower() for s in msg.get_all('x-beenthere', [])]
+ if mlist.GetListEmail().lower() in bts:
+ bt = True
+ else:
+ bt = False
# All messages to list-owner@vdom.ain have their envelope sender set
# to site-owner@dom.ain (no virtual domain). Is this a bounce for a
- # message to a list owner, coming to the site owner?
- if msg.get('to', '') == Utils.get_site_email(extra='owner'):
+ # message to a list owner, coming to the site owner, or an owner
+ # notice sent directly to the -bounces address?
+ if msg.get('to', '') == Utils.get_site_email(extra='owner') or bt:
# Send it on to the site owners, but craft the envelope sender to
# be the -loop detection address, so if /they/ bounce, we won't
# get stuck in a bounce loop.
@@ -192,6 +202,7 @@ class BounceRunner(Runner, BounceMixin):
recips=[Utils.get_site_email()],
envsender=Utils.get_site_email(extra='loop'),
)
+ return
# List isn't doing bounce processing?
if not mlist.bounce_processing:
return