[Tickets #12316] Re: Constant retries in AS with iPad

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Ticket URL: http://bugs.horde.org/ticket/12316
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  Ticket             | 12316
  Updated By         | Michael Rubinsky <mrubinsk at horde.org>
  Summary            | Constant retries in AS with iPad
  Queue              | Synchronization
  Version            | Git master
  Type               | Bug
  State              | Assigned
  Priority           | 2. Medium
  Milestone          |
  Patch              |
  Owners             | Michael Rubinsky
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Michael Rubinsky <mrubinsk at horde.org> (2013-06-15 13:51) wrote:


>>> Interestingly, ALL emails in the folder now sync to the device,
>>> regardless of the "sync 1 month" setting - I assume becaue they are
>>> now seen as new in the folder? They date back a year....
>>
>> Yes, because they get a new UID when they are (re)added to the folder
>> and the UID is higher than the minimum UID initially synched.
>> Currently the date is only used to filter on the initial sync - it's
>> not filtered for newly arriving messages after the initial pairing -
>> the thought being even if it's dated in the past, if it's new to the
>> mailbox the user will probably want to see it in the pushed
>> mailboxes. I'm not sure if that's the correct thing to do though to
>> be honest.
>>
>> Does anyone know what Exchange does in the instance? I can't find any
>> thing pertaining to this in the protocol docs. I'll probably look at
>> this more closely when I finally implement SOFTDELETE (which usually
>> runs once per day and removes items as they age and fall outside of
>> the filter window).
>
> Could have told you yesterday... :) left my job that had Exchange AS.
>
> I'm away for ten days now, will have a look with debug code when I return.


I answered this myself. Fired up an old Exchange VM and you are  
correct. The email is filtered by the header date, not arrival time,  
so the email should NOT be shown, even if it was just moved into the  
mailbox. Creating a new ticket, since this really has nothing to do  
with this  one.