Re: [Exim] Tollerating failed lookups in routers in v4

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Szerző: Philip Hazel
Dátum:  
Címzett: Rick Byers
CC: exim-users
Tárgy: Re: [Exim] Tollerating failed lookups in routers in v4
On Wed, 14 Aug 2002, Rick Byers wrote:

> In Exim 4 the "optional" keyword has been removed. How can I make a
> failed lookup behave like a no-match response? I'm using an lsearch*
> lookup type. Do I have to come up with another approach (i.e. one big DB
> file that allways exists that includes the domain and local part)?


Instead of

data = ${lookup{$local_part}lsearch{/some/file}}

use

data = ${if exists{/some/file}{${lookup{$local_part}lsearch{/some/file}}}}

or add

require_files = /some/file

to the router.

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.