Re: [EXIM] include_domain combined with dbm*

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Autor: Philip Hazel
Fecha:  
A: James FitzGibbon
Cc: exim-users
Asunto: Re: [EXIM] include_domain combined with dbm*
On Mon, 23 Mar 1998, James FitzGibbon wrote:

> I've noticed a conflict in the aliasfile director.
>
> Let's say that I have a file named /opt/mail/etc/virtual_aliases, the
> contents of which are :
>
> james@???        james@???
> *@somedomain.com        someoneelse@???


You are not the first to notice this discrepancy.

> And in my exim configuration, I have :
>
> virtual_domains:
> driver = aliasfile
> file = /opt/mail/etc/virtual_aliases.db
> search_type = dbm*
> include_domain


Exim 1.82 doesn't do any special about lookups for aliases. They behave
just like any other lookup. Consequently, if the original lookup fails,
it tries for * in order to get a default.

The next release of Exim (1.90 - currently in beta as 1.891 with only
minimal documentation, but expected to be released by the end of the
month) has a new feature. If you say, for example,

search_type = dbm*@

then, if the key contains an @ character, before looking for * it will
also look for *@xxxx where xxxx is everything after the last @ in the
key.

> It seems that when search_type is dbm*, the second check for uses just "*"
> as the key. I'm new to exim, but my initial impression (and I suspect other
> sendmail converts) was that because I used the include_domain option, it
> would look up the user as foo@???, then "*@somedomain.com".


Unfortunately not; include_domain simply affects how the key for the
lookup is built. The lookup itself is standard code that is used in many
places in Exim, not just for alias files.

> Still, is there a way of doing what I intially wanted ?


There will be...

-- 
Philip Hazel                   University Computing Service,
ph10@???             New Museums Site, Cambridge CB2 3QG,
P.Hazel@???          England.  Phone: +44 1223 334714



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