Defer email via LMTP when there is 'no space left on device' instead of rejecting it

[Luuk]

On 10-8-2014 06:18, Will Yardley wrote:
> Depends on the environment; in many cases, the admin could, or may even
> be expected to, raise the quota.

!but should not!

Quota should be set according to some rules, and never be raised because 
of a 'quota reached'.

What is the use of 'quota' if the admin raises your quota when things 
are full?