[horde] Hook to show only certain users

[Vilius Šumskas]

> Your example does not cover 2 virtual domains I think because I am
> unable to
> set this:
> 
> localhost > lam user/mark at my.xyz
> mark at my.xyz lrswipcda
> localhost > sam user/mark at my.xyz other at xyz lrswipcda
> setaclmailbox: mark at other.xyz: lrswip: Invalid identifier
> 
> I am sure I've read it in the documentation somewhere but I can't seem
> to find
> it now .. it specifically said that cross-domain acl's were not
> supported
> although it might be just cross-virtual-domain.
> 
> Can you set the acl's cross-domain for 2 virtual domains on your
> machine ?

Ah, yes you are right. Same error here on 2 virtual domains.