From: Michael Rommel (rommellayer-7.net)
Date: Mon Sep 03 2007 - 13:44:07 CDT

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Ralf Hildebrandt <Ralf.Hildebrandt <at> charite.de> writes:
> virtual_alias_domains = cena.dgac.fr
> virtual_alias_maps = hash:/etc/postfix/virtual_alias
>
> virtual_alias:
> <at> cena.dgac.fr <at> cena.fr
>

Hi,

I have been dealing with virtual_alias_domains and virtual_alias_maps
these days, but didn't find anything about what happens in the
following situation:

1) virtual_alias_domains has not been declared in main.cf (and therefore
   equals $virtual_alias_maps)
2) virtual_alias_maps = ldap:/etc/postfix/sender.ldap
   The LDAP contains lots of domains with various key,value pairs:
     userdomain.com -> accountname
     domain2.com -> otheraccountname
     userdomain3.com -> otheruserother.domain.de
   but NEVER an entry like
     domain.com -> anything

So I thought, that the virtual_alias_domains list will be considered
"empty" as no search for a pure domain name returns any data.

But still: the aliasing defined in the alias_maps DOES work. Can
anybody explain that to me (well, I am happy about it, but I usually
want to know why it works or not works). Which behaviour would change
if I put a "domain.com -> anything" entry in the LDAP?

Many thanks in advance,

  Michael.

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