Re: [Imap-protocol] Condstore, Gmail and mod_seq

Well, gmail doesn't support qresync, we're still investigating it.

Brandon
On Jan 5, 2015 10:40 AM, "Jan Kundrát" <[email protected]> wrote:

> On Monday, 5 January 2015 18:50:32 CEST, Daniel Piché wrote:
>
>> So we poll each account periodically using condstore to capture label
>> changes. It's working perfectly fine however it doesn't report when
>> messages are permanently deleted. So we resync account a few times per day
>> ("CONDSTORE CHANGEDSINCE 1") to see if some messages have been deleted.
>>
>
> But doing that will very likely get you a list of all messages which are
> present in a mailbox right now. That's a very poor way of obtaining that
> information.
>
> RFC 3501 and RFC 4549 contain a lot of tips on how to sync efficiently.
>
>  Some accounts have hundred of thousands of message so that means we have a
>> lot of server side processing to do. So my plan was to save the mod_seq
>> when the account is entered in our system and use that point in time to
>> resync accounts. That way we never have use a mod_seq of 1 which returns a
>> lot of messages we don't care about.
>>
>
> Use QRESYNC and read https://tools.ietf.org/html/rfc7162#section-3.2.6 .
>
> Cheers,
> Jan
>
> --
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