Does anyone allow unlimited or extremely large quotas?

[Adam Tauno Williams]

On Tue, 2010-11-16 at 14:12 +0100, Rudy Gevaert wrote: 
> On 11/16/2010 12:30 PM, Dave McMurtrie wrote:
> > Good morning,
> > This may be slightly off-topic, so apologies in advance.  Is there
> > anyone out there who allows unlimited quota for their users or provides
> > extremely large quotas when asked for?
> > If so, can you describe any problems you've had with this?
> We have users with > 5 GB.

Our largest quota's a 4GB; without any issues.

I think the issue you will encounter first is clients will start to fall
down when folders exceed a 'reasonable' number of messages.  Common IMAP
clients I've seen start to exhibit severe performance issues beyond a
few hundred thousand messages.

> We haven't seen any problems with them.  The only general problem we 
> face is taking backups of a full store.  It just takes very long to 
> complete full backups.  (Of course that isn't tied to large or no quota.)