[imp] IMP3: error

[Stefan Katzenbeisser]

Jan Schneider wrote:

> That's what I would guess. Theses chars represent umlauts so there is a
> chance that this user tries to create folders with umlauts in it.
> That would also explain why this only happen once. We cache the folder
> listing and the tree building code is only called if there is no cached
> folder tree or on explicit reload.

Thanks. I'll examine the mail folders of this user closely.

Best,
Stefan