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On Mon, 5 Aug 2013, Martin Burgraf wrote:
I'm wondering: Is it a problem to move and delete files inside a
dovecot-managed maildir?
For example:
I have a folder ~/.maildir/.Sub1.Start/cur and a folder
~/.maildir/.Sub1.Start.old/cur
and like to regularly move old mails from the first to the second one.
Can you create a cron job saying something like:
find ~/.maildir/.Sub1.Start/cur -mtime +5 -exec mv {}
~/.maildir/.Sub1.Start.old/cur \;
?
I guess this would be some sort of problem, wouldn't it?
No problem with it basically, if both directories are located at the same
parition (under the same mountpoint), in order to use the rename()
syscall. Dovecot (and Maildir spec) expects the permissions a.s.o. in
place when a file is seen in a folder new or cur. Also mtime should not
change.
If you use keywords (labels, ...) they should be present in both folders,
though. Look at the dovecot-keywords files, in it all relevant keywords
must map to the same letter / digit. That also means: You cannot have more
than 36 keywords per mailbox, because the others are storred in the index
files only.
I use something like this:
find . -print0 | xargs -r0 mv -t target-dir
Regards,
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Steffen Kaiser
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