[ingo] maildrop backend variables

[southern]

Hi!

I want to use maildrop backend but I have a problem with it...
2 variables available to define the VFS path. %u and %U
My Horde/IMP authenticates the users with their entire mail address.
%u is for 'name of the current user' and it would be the best for me,
but this variable returns with user and and not with user at domain.tld.
My question is HOW and WHERE can I set/define it to get the whole
authed user?

Thanks in advance

-- 
Best regards,
 southern