Replying to myself,
On Tuesday 11 September 2007 12:20, Jonathan McKeown wrote:
After much scratching of head and tearing of hair, I have finally found two
provable instances - one in Cyrus and one in Mailman - of replies to
messages being sent using Microsoft Outlook Service Pack 2, where
Yeah Outlook Express did that when it forwarded messages I forgot
the version - it screwed up spamassassin, I filed a bug, bug finally
got a workaround added.
File a bug with mailman and cyrus dev. teams, maybe they can
work around it. At least get it documented. And call Microsoft
tech