Hierarchy separator recommendation?

[Aki Tuomi]

> On 26/04/2020 13:17 Markus Winkler <ml at irmawi.de> wrote:
> 
>  
> Hi Ivo,
> 
> On 26.04.20 12:02, Ivo wrote:
> >>> disadvantages could be:
> >>>
> >>> - shared folders with dots in user names
> >>> - if you want to use dots in folder names
> >>>
> > What disadvantages are when using '/' as namespace separator?
> 
> IMHO: none. ;-) It depends, as always - YMMV.
> 
> > Why is '.' default (at least in .deb packages) if it is worse then '/' ?
> 
> I assume: for historical reasons.
> 
> > Doesn't it, in the end, all come to translation from IMAP names 
> > (user,folder) to OS filesystem names within dovecot (at some benchmark 
> > tests expense) ? :-)
> 
> No, as there's a difference between "namespace / hierarchy" (mailbox name) 
> and "layout" separators (OS filesystem).
> 
> Regards,
> Markus

Using dot breaks shared forlders if your usernames contain dot.

Aki