Tickets :: Comment on [#13009] AS sync of IMAP messages that are in trash folder AND in another folder with 'deleted'-flag

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Comment	>>> I noticed that there are email clients (at least Apple Mail, >>> Mavericks), that, although configured to use the trash folder, leave >>> a deleted message in the folder it was deleted from with the >>> 'deleted'-flag set. As ActiveSync only regards >>> Horde_Imap_Client_Base.vanished() mails as removed, such mails appear >>> on the syncing devices in both, the original folder and the trash, >>> until the mails are expunged. >> >> So, why is this an ActiveSync bug? It's a bug in the client that >> doesn't expunge it from the folder when moving it to the trash. > > First of all, I absolutely agree that this is not an AS bug, sorry > for posting it as a bug. > I don't know if any specification clarifies the "correct" way of > moving a message with IMAP (rfc6851 is nowhere implemented, isn't > it?). To keep a 'deleted' copy of a moved message in the original > folder is admittedly rather uncommon, but not necessarily a bug. > >> There >> is no method available to mark a message as deleted in ActiveSync. > > Yes, so here is the problem. > >> The ONLY way to remove a message from a mailbox on the AS client is >> to send it a remove command. Since this email was not actually >> removed from the mailbox, we cannot do this. > > I think here is room for interpretation. I understand your way of > solving it and, even more, I inwardly prefer it. But the facts are as > follows: IMAP has the feature of "deleted"-flagged messages, while AS > lacks it. Hence, we have to analyze the semantics of the > "deleted"-flag and reproduce this semantics in AS. Two possibilities > come to my mind: > > 1) Ignore the flag. This is basically what you do at the moment, right? > 2) Regard messages with this flag as removed. > > Do you think that 2) is worth to think about? As far as I see, it > would work pretty well: If a message is marked as deleted, it > disappears from synced devices. If an IMAP-client undeletes it, in > the synced devices it is simply added again... > > Ideally, the administrator can configure which behavior he likes.
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