On Tue, 2009-03-03 at 13:54 -0800, Mark Hedges wrote:
> How does IMAP lock the /var/spool/mail/user file?

mbox_read_locks and mbox_write_locks defines it.

> Here's my problem:  I'm writing a script to expire old or
> oversize mail through a series of archive folders.  I don't
> want to take the whole server down to do this, nor does it
> seem like I would have to lock the user out entirely if I
> can manage to emulate the locks correctly.

How about doing it via IMAP? Then you wouldn't need to worry about
locking or anything else.

1 select mailbox
2 search before 01-jun-2006
3 store <those messages> +flags.silent \deleted
4 expunge

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