[Spambayes] KeyError in sp_imapfilter

[David Leinbach]

Hi,

I am getting the following error when running sb_imapfilter.py.  I tried
removing all of the spam messages from the spam folder but am still
getting the same error.  How can I determine which message it is and
what can I do about it?

Thanks

David
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SpamBayes IMAP Filter Version 0.4 (May 2004)
and engine SpamBayes Engine Version 0.3 (January 2004).

User interface url is http://localhost:8880/
Traceback (most recent call last):
  File "/usr/bin/sb_imapfilter.py", line 1067, in ?
    run()
  File "/usr/bin/sb_imapfilter.py", line 1051, in run
    imap_filter.Filter()
  File "/usr/bin/sb_imapfilter.py", line 909, in Filter
    self.unsure_folder, self.ham_folder)
  File "/usr/bin/sb_imapfilter.py", line 786, in Filter
    for msg in self:
  File "/usr/bin/sb_imapfilter.py", line 665, in __iter__
    yield self[key]
  File "/usr/bin/sb_imapfilter.py", line 707, in __getitem__
    mo = re.search(id_header, data["RFC822.HEADER"], re.IGNORECASE)
KeyError: 'RFC822.HEADER'

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.809 / Virus Database: 551 - Release Date: 09/12/2004