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-rw-r--r--Mailman/Bouncers/Yahoo.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Mailman/Bouncers/Yahoo.py b/Mailman/Bouncers/Yahoo.py
index 7db353f9f..643c29b92 100644
--- a/Mailman/Bouncers/Yahoo.py
+++ b/Mailman/Bouncers/Yahoo.py
@@ -28,7 +28,7 @@ ecre = re.compile(r'--- Original message follows')
def process(msg):
# yahoo bounces seem to have a known subject value and something called an
# x-uidl header, the value of which seems unimportant
- if string.lower(msg.get('from')) <> 'mailer-daemon@yahoo.com':
+ if string.lower(msg.get('from', '')) <> 'mailer-daemon@yahoo.com':
return None
msg.rewindbody()
addrs = []