[imp] mailbox overquota and move to trash -> something to improve?

[Andrew Morgan]

On Fri, 27 Jan 2012, LALOT Dominique wrote:

> 2012/1/27 Michael M Slusarz <slusarz at horde.org>
>
>> Quoting ANANT S ATHAVALE <asa at isac.gov.in>:
>>
>>  ----- Message from LALOT Dominique <dom.lalot at gmail.com> ---------
>>>   Date: Thu, 26 Jan 2012 09:10:52 +0100
>>>   From: LALOT Dominique <dom.lalot at gmail.com>
>>> Subject: Re: [imp] mailbox overquota and move to trash -> something to
>>> improve?
>>>     To: imp at lists.horde.org
>>>
>>>
>>>  2012/1/26 LALOT Dominique <dom.lalot at gmail.com>
>>>>
>>>>  Hello,
>>>>>
>>>>> I'am faced to some students being unable to delete their mails because
>>>>> they are overquota.. I changed to simply flag deleted but users
>>>>> complained.
>>>>> I red articles on the net and there is no way to move and not copy, then
>>>>> delete which cause the problem.
>>>>> So, when having an error such as overquota, could horde simply flag mail
>>>>> as deleted, then the user will be able to delete mails without any
>>>>> assistance..
>>>>> Is it difficult to do?
>>>>>
>>>>> Thanks
>>>>>
>>>>>
>>>>>  May be the solution could be to use virtual trash, but I don't
>>>> understand
>>>> how to do that using prefs.php. Looking in database, the data is binary..
>>>>
>>>
>>> Ask the users not to use Trash folder temporarily using their preference
>>> option.  So, they get option to delete which makes them 'mark as deleted'
>>> and ask them to purge.
>>>
>>
>> This was actually technically impossible until RFC 5530 defined an
>> OVERQUOTA response code.  I've just added code to IMP 5.1 that will
>> workaround this issue by permanently deleting the messages instead of
>> moving to Trash.  However, this is entirely dependent on the IMAP server (I
>> think Dovecot supports it).
>>
>> Alternatively, use a IMAP server that supports "soft" quotas.
>>
>>
> OK, I will see in that direction. Any hard things that thousand of students
> need to do, lead to heavy support. So we need to automate..
> We have cyrus imap

The Virtual Trash folder is a great option.  We removed the regular Trash 
folder option here to prevent our users from complaining later.

 	Andy