https://bugs.kde.org/show_bug.cgi?id=436191
Bug ID: 436191
Summary: Kmail sometimes forgets the correct mapping of Sent
and Draft folders
Product: kmail2
Version: 5.16.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: folders
Assignee: kdepim-b...@kde.org
Reporter: gik-kb...@flump.de
Target Milestone: ---
SUMMARY
When using Kmail with multiple accounts and a lot of folders, Kmail tends to
forget the correct mapping of Sent and Draft folders sometimes.
STEPS TO REPRODUCE
1. Set up several identities and configure several Sent and Draft folders.
2. Use (and update) KMail a long time.
OBSERVED RESULT
Sometimes the configuration is mixed up and the Sent and Draft folders point to
random other folders.
EXPECTED RESULT
The configured mapping remains the same.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Gentoo, KDE Plasma 5.21.4
(available in About System)
KDE Plasma Version: 5.21.4
KDE Frameworks Version: 5.81.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
I'm pretty sure, this bug is known, but I didn't find it in the tracker. I have
experienced this a long time (several years), always occasionally.
I could also kind of reproduce it, when I delete the Akonadi database (I have
deleted the entire folder ~/.local/share/akonadi). In this case, Akonadi syncs
again (all settings are preserved) but the mapping is gone or mixed up.
Since quite a time, KMail also displays a message, if the folders cannot be
assigned anymore.
Therefore, I would guess that the mapping is not string based but indices based
and the indices are assigned randomly, when Akonadi creates a new database.
However, this does not only happen when deleting the database. In rare cases,
it also happens without any obvious reason (maybe an update?).
This whole reassigning could be quite dangerous with sensitive data. Let's
assume you have two E-Mail accounts: "A1" and "A2" (both IMAP, both have an
INBOX and a Sent and Draft folder). KMail is configured to put sent messages of
A1 to the A1.Sent folder and drafts of A1 to the A1.Draft folder and the same
with A2.
Now the mixup happens and A1.Sent points to A2.INBOX. After that, you send a
message from account A1. KMail sends the message, puts it additionally in
A2.INBOX, marks it as unread there, uploads it to the server (it is IMAP!) of
the A2 account, the server executes some Sieve filtering and since A2 is a
shared account, the mail is sent to a bunch of people. (This happened to me
today. It was not a sensitive content, so the is was not that bad, but
nevertheless unpleasant.)
Is it possible to change the assignment/mapping to a string based approach?
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