That's my dirty hack (utf-8 hardcoded):

In T2729#48073, @timeberhardt wrote:

I can reproduce this bug with a fresh Kolab install on top of Ubuntu 16.04. I could not create new users after I added a user with an umlaut in his name.

The Bug is caused because in pykolab.utils the locale_name configured for the user (in my case de_DE) is fed to the python method locale.normalize which then returns de_DE.ISO8859-1. But the input string isn't latin but utf-8, so iconv can't convert the whole string and replaces the umlaut with a questionmark. As soon as I hardcoded utf-8 into the iconv call, everything was working again (of course that's not a solution).

I get the point with "not overlapping any buttons" but I think that this depends only on the time for which you display the feedback. I use posteo for example (a program which uses roundcube, as bohlender pointed out to me, maybe the first skin of it?) and always get feedback in the center. But since 1. the feedback window is not too big (see screenshot) and 2. it only appears for a short time (during which I usually cannot do anything anyway just because the program is loading or anything else!) there is no problem like: "I have to wait until the feedback disappears until I go on". So I think when notifications appear in the center, it is a matter of time whether this is irritating or simply good to perceive and thus helpful.

The old-old skin displayed these messages on top-center. Then we created a new skin that displays them in right-bottom. I think back then the reason was to not overlap buttons with them. We had not much complaints about that since. On the other hand there were complaints about these notifications being distracting. So, I'm looking for a compromise here. If we put them in right-bottom, but make them more distinct, it could maybe work, if we do not touch the (quite often) "loading" message (so this one is not so much distinct).

@machniak
I definitely think that the "colorful feedback boxes", as proposed by johnajackson in that thread, would be recognized more easily! (I mean the boxes, that are completely in one color; yet it seemed to me that you were not actually convinced by that suggestion...?)
Yet I am not sure they fix the problem, since the position is definitely the main point. I've tested the program with a friend of mine recently, and his main criticism of the whole program was that he said he "didn't get enough feedback"! Since there actually is quite a lot of feedback (what I know now because I have paid attention to the all those boxes, since I know where they appear), it is definitely a problem of not perceiving it in that corner. My friend added he "would have expected something in the upper part or the center of the site, just a box or a window telling me what had just been done".

Maybe changing the background color to be dark would fix that. E.g. https://github.com/roundcube/elastic/issues/38#issuecomment-329355387

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Wouldn't the simple solution to be allow folders to be created as subfolders of INBOX @machniak

refering to all occurances of user_mailbox_rename in https://git.kolab.org/diffusion/P/browse/master/pykolab/auth/ldap/__init__.py

@bohlender
I think the problem is (as specified in another ticket) that the "feedback notifications" at the lower right side are often not seen (because of the place and rather short duration)... So in my opinion it depends on how that issue will be fixed: if you decide to display feedback notifications in the center of the site and maybe also a bit longer than now, then I think that it might be ok with the feedback notification...

@bohlender
I think we can move this ticket...

@Alem_V
Also think this is not such an important issue... In addition, as machniak wrote, apparently roundcube also wants to allow usernames without "@", so I think we can drop this issue (since it's not such a huge think to switch keyboards in order to get the "@") ...

I think so. We considered this issue in the past and I think we cannot do more until Firefox fixes it.

@machniak
Ok, thanks for the information, shall I declare the ticket as "invalid" then?