[Dovecot] Dovecot upgrades break Blackberry instant email (BIS)

[Timo Sirainen]

On Fri, 2010-09-03 at 18:06 +0100, interfaSys sàrl wrote:
> 
> On 02/09/2010 18:23, Timo Sirainen wrote:
> > On Thu, 2010-09-02 at 18:21 +0100, interfaSys sàrl wrote:
> > 
> >> If the subscription file is 660, then it seems the connection is dropped
> >> (No idling).
> >> When it's 770, then things are fine.
> > 
> > That doesn't really make any sense.. Subscription file doesn't need to
> > be executable. Anything in Dovecot's logs?
> > 
> > 
> Indeed, changing the file permissions didn't help. Half the accounts
> can't stay connected.

So what exactly is the problem? Those Blackberries don't do IDLE, or
it's broken in some worse way?