Geting mail quota exceeded with plenty of space

[Robert Moskowitz]

On 02/09/2015 03:37 PM, Bertrand Caplet wrote:
>> Further checkings shows another user also getting "Quota exceeded". This
>> user has only 127Mb toward his quota.  Only these two users have this
>> problem.  So far.  Both are infrequent mail checkers.
> It might be the quota for number of messages :

Could be. dm has over 9k of trashed messages.  but..

> Check with "doveadm quota get -u user at domain.example"
> If there is a limit for number of messages.

doveadm(root): Fatal: Unknown command 'quota', but plugin quota exists. 
Try to set mail_plugins=quota