[Dovecot] make archive emails undeletable?

[Timo Sirainen]

On Fri, 2008-10-31 at 22:36 -0500, Rob Nichols wrote:
> I've been using dovecot for a year or two now, and really like it.  I have a
> fairly simple setup, but I think it's time to get a little more advanced.  I
> keep an "archive" of all my email, both sent and received.  Every once in a
> while I get confused, and accidentally delete something from my archive.  I
> also worry that I'll misconfigure a mail client some day and accidentally
> wipe out my "trash" folder.  I would like some way to prevent deletion in
> several mailboxes.  Is that possible?  It looks like ACL could do this, but
> I can't quite figure out where to start.  Any pointers would be greatly
> appreciated.

There are no recursive ACLs currently, so you'd have to create
dovecot-acl file for each mailbox containing something like:

owner lrwstipka

i.e. removed 'e' and 'x' rights. http://wiki.dovecot.org/ACL tells some
more.

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