delprune on a single mailbox

[Marcus Schopen]

Am Dienstag, den 03.11.2015, 08:24 +0100 schrieb Marcus Schopen via
Info-cyrus:
> Hi,
> 
> Am Montag, den 02.11.2015, 10:58 -0500 schrieb Adam Tauno Williams via
> Info-cyrus:
> > On Sun, 2015-11-01 at 14:40 +0100, Marcus Schopen via Info-cyrus wrote:
> > > Am Sonntag, den 01.11.2015, 13:35 +0100 schrieb Marcus Schopen via
> > > Info-cyrus:
> > > > Hi,
> > > > globally in cyrus.conf delprune is set to
> > > > delprune	cmd="/usr/sbin/cyrus expire -E 1 -X 7 -D 7" at=0501
> > > > For a single mailbox I don't want to keep deleted mails for 7 days,
> > > > but
> > > > expire them immediately or once a day per cron. How to do that?
> > > Forogt to say that delete_mode and expunge_mode is set to delayed.
> > > Via cron this should work for an immediate cleanup/expire:
> > 
> > You can set an expire annotation per mailbox.  
> 
> How do I do that? From cyr_expire manpage:
> 
> "The value of the /vendor/cmu/cyrus-imapd/expire annotation is inherited
> by all children of the given mailbox, so an entire mailbox tree can be
> expired by seting a single annotation on the root of that tree. If a
> mailbox does not have a /vendor/cmu/cyrus-imapd/expire annotation set on
> it (or does not inherit one), then no messages are expired from the
> mailbox."
> 
> Is this correct?
> 
> setannotation "user.myuser"
> "/vendor/cmu/cyrus-imapd/expire" ("value.shared" "0")
> 
> But is it possible to expunge a message immediately when it's deleted by
> client and not with the next expire run?

Sorry, but could someon explain how and where to set annotation?
cyradmin seems not to be the right tool.

Ciao!