I changed to the (new defalt) UNIX hierarchy separator character while
upgrading cyrus versions last year and didn't experience any problems.
I don't think your authentication scheme is relevant, but as someone
else suggested the imap clients might care. In my case, everyone uses
Thunderbird,
On Tue, 30 Jun 2015, Stephen Ingram wrote:
> Since we support Kerberos, we use standard usernames on our system without
> any domain endings and we also use the Alternate namespace. This being the
> case, can we turn on UNIX hierarchy without any changes in the user's mail
> client or the filesyst
