[Dovecot] Dovecot and quota enforcement - only reporting?

[dovecot at corwyn.net]

At 10:48 PM 10/21/2008, Rick Steeves wrote:
>When I delete mail and expunge it, the quota updates.  However, 
>inbound email doesn't appear to update the quota.
>
>Two questions, probably related:
>What causes the quota (which I presume is the maildirsize file) to update?
>Is there any actual quota enforcement, or just reporting? Because if 
>I send mail to an account, even if it currently reporting (via 
>maildirsize or . getquotaroot) that the user is over quota, they 
>still can send and receive email.

Just checking to see if there are any insights here.

Rick