[Bug 883459]

[Wolfgang-mader]

I experienced the described issue for all akonadi/kmail versions which
are ported to frameworks. The system I am using is Arch with the
following (relevant) packages installed

- plasma-desktop: 5.5.1
- plasma-framework: 5.17
- framework components 5.17
- kde applications: 15.12, including kmail and akonadi

Moreover, as a dependency of digikam, the following kde 4 stuff is there
- kdebase-runtime: 15.12
- kdebase-lib: 15.12
- kdepimlibs4: 4.14.10 
- libkipi4: 15.08
- libakonadi-qt4: 1.13.0
- libbaloo4: 4.14.3

I configure two generic imap resource in kmail. The first points to the
mail server of my university, the second to the one of my web provider.
I do not know what imap server they are running, but likely they are
running different software. Thus, I guess, the issue is not with the
server but with the client side. I do not configure anything special
like server side subscription or sieve script.

On initial population of the mailboxes, everything seem fine. All
messages are there and readable. The trouble starts as soon as I start
to move around mails manually or via kmail filters or delete messages.
Say, I move a message from the Inbox to the Private folder. The message
disappears in the Inbox and seems to be moved to Privat. However, the
message is not really moved. I is still in the Inbox and reappears the
next time kmail refreshes the Inbox. The mail is grayed in the Inbox
(everything is good with the messages in Private). In the Inboxr, I can
not click on it, move or delete it. It just sits there, grayed out, not
touchable. Now, using the web interface of my universities mail system,
the mail is marked as deleted in the Inbox, but still there. At least,
using the web interface, I can select the massage and delete it for
real. Then, also in kmail, the message disappears. Unfortunately, I can
not properly name the state of the deleted message in "imap"-terms.

On top of this issue, moved messages start to appear in the target
folder multiple times. There is always one instance of the message which
is clickable and good, but with time, multiple grayed out versions start
to accumulate. They seem to be in the same state as the moved one in the
source folder.

If there is any more information I can provide, do not hesitate to drop
me a mail.

Reproducible: Always Steps to Reproduce:
1. Create a Imap resource in framework based kmail
2. Move or delete messages
3. Refresh mailbox and observe grayed out, uncklickable messages

Actual Results: Messages are not moved or deleted from mailbox.

Expected Results: Messages should be moved or deleted from mailbox.

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https://bugs.launchpad.net/bugs/883459

Title:
  KMail duplicates emails

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