[Dovecot] case (non-)sensitivity for folder names

[Timo Sirainen]

On Wed, 2011-01-05 at 10:09 -0500, Phil Howard wrote:
> Is IMAP supposed to be case sensitive or case in-sensitive?

Case sensitive, except for INBOX. (Or if the server is using
case-insensitive filesystem then they're case-insensitive.)

>  It seemed
> it would be case sensitive because I've had different cases of
> folders.  But today I found I had two folders "Spam" and "spam", with
> directories ".INBOX.Spam" and ".INBOX.spam" on the server.  Messages
> existed in each directory on the server and they were different.  The
> messages could be read from Evolution.  However, the list of messages
> had info mixed up between the folders.  I then selected all messages
> in one of the folders and trashed them (click on trash icon).
> Messages disappeared in BOTH folders.  On the server, after a couple
> minutes delay, messages in BOTH directories were flagged "T".  That
> doesn't seem right.

My guess is that Evolution messes this up.

> Unfortunately, there seems to be no operation in Evolution to tell it
> to discard its own cache.

rm -rf ~/.evolution/mail/imap/

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