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Diffstat (limited to 'src/mailman/email/message.py')
| -rw-r--r-- | src/mailman/email/message.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mailman/email/message.py b/src/mailman/email/message.py index 7b362a6a2..4eb049f17 100644 --- a/src/mailman/email/message.py +++ b/src/mailman/email/message.py @@ -144,7 +144,8 @@ class Message(email.message.Message): field_values = self.get_all(header, []) senders.extend(address.lower() for (real_name, address) in email.utils.getaddresses(field_values)) - return senders + # Filter out None and the empty string. + return [sender for sender in senders if sender] def get_filename(self, failobj=None): """Some MUA have bugs in RFC2231 filename encoding and cause |