On Sat, 2 Sep 2006, John J Lee wrote:
[...]
The problem occurs when SpamBayes (specifically, sb_imapfilter.py) tries to
add an X-Spambayes-Classification header to emails it has classified, in
order to record whether it thought the mail was spam or not. It does that by
[...]
That's not quite right -- in fact, it adds a new message and deletes the
old one whenever it wants to move oe modify a message, I think. The
add/delete operation might involve moving the mail to another mailbox,
adding the spam classification header, adding a unique ID header for
SpamBayes' internal use, etc.
John
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