On Tue, Jun 07, 2005 at 01:10:01PM +0100, Chris Green wrote:
Are there any tools out there which will take a mbox file and remove duplicate messages? Removal on the basis of Message-Id: would be fine.
Yup, and you used it to send the original message. Mutt can do a select duplicates using tags and patterns.
See
http://www.mutt.org/doc/manual/manual-4.html#patterns and http://www.mutt.org/doc/manual/manual-4.html#ss4.3
for more info.
Adam