[Tickets #10133] Imps IMAP Code does fail on folders encoded in UTF-7

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Ticket URL: http://bugs.horde.org/ticket/10133
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  Ticket             | 10133
  Created By         | tkrah at fachschaft.imn.htwk-leipzig.de
  Summary            | Imps IMAP Code does fail on folders encoded in UTF-7
  Queue              | IMP
  Version            | 5.0.4
  Type               | Bug
  State              | Unconfirmed
  Priority           | 3. High
  Milestone          |
  Patch              |
  Owners             |
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tkrah at fachschaft.imn.htwk-leipzig.de (2011-05-26 14:10) wrote:

Some user mailboxes does got a e.g. "ü" in its name - rich clients does
not seem to fail here, but imp does log this error.
In the filesystem dovecot (2.0.13) does create the folder like this:

.Entw&APw-rfe

which is correct afaik.
RichClients like Evolution or kmail does show "ü" but Imp does fail with
this error message (in the logs) and on screen with an error message
screen.

[imp] IMAP error: Mailbox doesn't exist: Entw&-APw-rfe [pid 697 on line
343 of "/var/www/horde/imp/lib/Imap.php"]