I’ve added two new snippets to the hacks section; save.py & strip.py - used to save attachments from a whole mailbox, or strip them, respectively.
Python comes with really nice mailbox classes, including QMail maildirs, which is what we use on our servers - but unfortunately these are read only - so strip.py cops out and write mbox files to stdout.
You could always use an mbox2maildir tool when you’re finished I guess. Alternatively, you could parse the maildir yourself, and edit the files in place. But I don’t need to - so I didn’t.