Re: Re: moving mail between folders is intermittently failing

On Thu, 2010-05-06 at 11:19 -0700, Mark Crispin wrote:
> On Thu, 6 May 2010, Timo Sirainen wrote:
> > Instead of fighting clients with this, I solved it by having server send
> > * OK Hang in there..
> > about every 15 seconds during long running commands. Clients seem to be
> > happy with it and not disconnect.
> 
> Unfortunately, the mobile device guys and gals then get unhappy with you
> for chewing up their battery.  It's not as bad as making them transmit,
> but it still causes a wakeup.  They aren't placated when you tell them
> that it's to work around stupid clients.  They get unhappy even with an
> untagged OK every two minutes during IDLE to quell a NAT timeout.

I think that's a different issue. They're unhappy when an idling device
gets woken up (constantly). The "Hang in there" messages are sent only
when client has requested some command that takes >15 seconds. Most of
the users/clients never see those messages at all.

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