Did calculating the quota change from 2.3 to 2.5?

[Marc Patermann]

Bron,

Am 29.11.2016 um 22:18 Uhr schrieb Bron Gondwana:
> Quota is a sum of byte sizes of raw unexpunged messages. It doesn't
> deduplicate. Likely issue is incorrect quota_mailbox_used in the
> cyrus.index header on 2.3. a reconstruct will fix those, then quota
> -f again.
Does not change anything.

> It's not related to du.
>
> The problem with imapsync is that it doesn't handle single instance
> store. If you have copied messages or delivered then into multiple
> mailboxes with sieve, they will have hard links on disk.
>
> If you use imapsync, it doesn't know about that, and will upload the
> same message twice. 2.5 doesn't have the smarts to recognise that
> it's the same message.
imapsync can only sync mail the old server knows about. And in the end 
there is more quota used on the new server!?

The only explanation is the quota on the old server is broken, isn't it?

Marc