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-rw-r--r--Mailman/Handlers/CalcRecips.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Mailman/Handlers/CalcRecips.py b/Mailman/Handlers/CalcRecips.py
index 83f5a2e69..860f3afbe 100644
--- a/Mailman/Handlers/CalcRecips.py
+++ b/Mailman/Handlers/CalcRecips.py
@@ -28,6 +28,10 @@ from Mailman import mm_cfg
def process(mlist, msg):
+ # yes, short circuit if the message object already has a recipients
+ # attribute, regardless of whether the list is empty or not.
+ if hasattr(msg, 'recips'):
+ return
dont_send_to_sender = 0
# Get the membership address of the sender, if a member. Then get the
# sender's receive-own-posts option