On Thu, Jan 02, 2003 at 12:56:06PM -0500, Victor.Duchovnimorganstanley.com wrote:
> On Thu, 2 Jan 2003, Wietse Venema wrote:
>
> > Alex van den Bogaerdt:
> > > When querying LDAP postfix asks for "userdomain.tld" first and if
> > > this doesn't exist it tries "domain.tld" (for a default mailbox).
> > > Can this be disabled and if so: how? Couldn't find it in the docs,
> > > a pointer would be quite welcome.
> >
> > See LDAP_README, discussion of the domain parameter.
> >
>
> This still looks up "domain.tld" for the domains whose users one does
> want be found in LDAP. A long time ago I suggested that setting

Bingo. This is what I tried to explain.

> "ldapsource_domain" should disable lookups of domain only keys (both
> "domain anything" and "domain), since:
>
> - Setting "ldapsource_domain" is a performance optimization. So the
> administrator is looking to save on LDAP queries.
>
> - With the candidate domains enumerated outside of LDAP, it is reasonable
> to list their status as virtual alias domains or their catch-all mailboxes
> outside of LDAP also.

And one additional problem: The catch all is now in the hands of
another admin. I can of course ask to have this entry removed from
LDAP however it is just a matter of waiting until some other exchange
admin screws up again. They just don't (want to) understand why such
an "innocent entry that isn't a real email address" can mess something
up somewhere different from their scope.

> This idea was rejected (probably justifiably), because the real solution
> would to implement appropriate map search flags accross all map types, and
> some people might want to narrow the domains and leave the catchall in
> LDAP despite the extra cost.

Apart from editing the source: Is there another hack possible?
If possible I don't want to build and maintain postfix from a
modified source.

Can something be done on the exchange side perhaps?

TIA

-- 
Much of what looks like rudeness in hacker circles is not intended to give
offence. Rather, it's the product of the direct, cut-through-the-bullshit
communications style that is natural to people who are more concerned about
solving problems than making others feel warm and fuzzy.
http://www.tuxedo.org/~esr/faqs/smart-questions.html

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