freebsd-4.11 sendmail-8.13.8 mailman-2.1.9_1 python-2.4.3

any clues why mailman keeps dumping the following error trace in /usr/local/mailman/logs/error ? Happens about every hour or so or sometimes minutes apart.

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Dec 26 08:27:28 2006 (75889) Ignoring unparseable message: 1166121349.6141329+c811d30798575d4ca57b9a0552a1d394a95c8ff1 Dec 26 08:27:28 2006 (75889) Uncaught runner exception: No terminating boundary and no trailing empty line Dec 26 08:27:28 2006 (75889) Traceback (most recent call last): File "/usr/local/mailman/Mailman/Queue/Runner.py", line 100, in _oneloop msg, msgdata = self._switchboard.dequeue(filebase) File "/usr/local/mailman/Mailman/Queue/Switchboard.py", line 164, in dequeue msg = email.message_from_string(msg, Message.Message) File "/usr/local/mailman/pythonlib/email/__init__.py", line 51, in message_from_string return Parser(_class, strict=strict).parsestr(s) File "/usr/local/mailman/pythonlib/email/Parser.py", line 75, in parsestr return self.parse(StringIO(text), headersonly=headersonly) File "/usr/local/mailman/pythonlib/email/Parser.py", line 64, in parse self._parsebody(root, fp, firstbodyline) File "/usr/local/mailman/pythonlib/email/Parser.py", line 240, in _parsebody msgobj = self.parsestr(part) File "/usr/local/mailman/pythonlib/email/Parser.py", line 75, in parsestr return self.parse(StringIO(text), headersonly=headersonly) File "/usr/local/mailman/pythonlib/email/Parser.py", line 64, in parse self._parsebody(root, fp, firstbodyline) File "/usr/local/mailman/pythonlib/email/Parser.py", line 265, in _parsebody msg = self.parse(fp) File "/usr/local/mailman/pythonlib/email/Parser.py", line 64, in parse self._parsebody(root, fp, firstbodyline) File "/usr/local/mailman/pythonlib/email/Parser.py", line 206, in _parsebody raise Errors.BoundaryError( BoundaryError: No terminating boundary and no trailing empty line

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