Removing a mailbox with a very long name

Bron Gondwana brong at
Thu Nov 25 05:57:20 EST 2010

On Thu, Nov 25, 2010 at 08:45:28AM +0000, David Mayo wrote:
> Bron,
> On 24/11/10 23:01, Bron Gondwana wrote:
> >On Wed, Nov 24, 2010 at 04:13:11PM +0100, Michael Menge wrote:
> >>>We're running Cyrus 2.3.13.
> >
> >Any reason why so old?  There were some fixes for this shipped
> >more in the later 2.3 series releases, because we had the same
> >issue at FastMail!
> 2.3.14 had bugs (didn't work with group: ACLs) and 2.3.15 wouldn't
> compile happily on Solaris due to issues with compression libraries,
> as I recall. By then, the servers were live so we stayed at that
> version.
> If we did upgrade from 2.3.13 -> 2.3.16 is there anything that would
> prevent us from downgrading again if we hit problems? The changelog
> does show quite a few improvements!

No, you should be fine.  There were no format changes between
2.3.10 and 2.3.16 I'm pretty sure.  I'll check the changelog
first... yep, changelog looks fine.
> >That's what I was going to say!  That's how we wound up dealing
> >with the worst offenders.
> cyradm wouldn't let me even type a name that long! Perhaps I could
> have done it via a telnet session, but after DELETE returned
> "Invalid mailbox name" I kinda assumed nothing would work.

Yeah - rename is your friend :)  And telnet makes it a bit easier.

> >If you live anywhere near the Apple campus you could go over and
> >have a few choice words with thier mail client developers too...
> >
> >FYI: more recent Cyrus rejects the creation of any mailbox with
> >INBOX.INBOX (any case) in the internal name (so is
> >still fine, but is not)
> Yes - this would be handy.
> >>An other ideas is to remove the mailboxname from the mailbox.db and
> >>deleting it on the filesystem.
> >>
> >>Use on your own risk
> >>cyr_dbtool $configdirectory/mailboxes.db skiplist delete
> >>user.abc20.INBOX......
> >
> >Yep!  That will definitely work.
> That's what I did in the end, and it worked a treat!

Oh, good.  Glad you're fixed up :)


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