Bug: Shared Mailbox - Case Sensitivity

[Aki Tuomi]

On 16.09.2016 12:54, Leander Schäfer wrote:
> Hi,
>
> unfortunately I found a bug in Dovecot's ACL handling for shared
> mailboxes. It turns out Dovecot doesn't enforce lower casing the
> privileged username to whom the mailbox should be shared to. This
> results in a invalid configuration. Users get confused, since they
> passed on a valid email address in their ACL setup.
>
> /usr/local/www/default/mail/test at mydomain.localdomain/maildir/.Spam/dovecot-acl
>
> user=leander at mydomain.localdomain eilrwts
> ^^ works
>
> /usr/local/www/default/mail/leander at mydomain.localdomain/maildir/dovecot-acl
>
> user=test at mydomain.localdomain eilrwts
> ^^ works
>
> /usr/local/www/default/mail/test at mydomain.localdomain/maildir/.Drafts/dovecot-acl
>
> user=Leander at MyDomain.LocalDomain eilrwts
> ^^ Doesn't work
>
> Best regards
> Leander Schäfer

Hi! Did you know you can use %Lu instead of %u to force lowercasing?

Aki