Re: [Exim] [root@charlotte.intern.cats.ms: Bug#53140: direct…

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Autor: Philip Hazel
Fecha:  
A: Kai Henningsen
Cc: Mark Baker, exim-users, root
Asunto: Re: [Exim] [root@charlotte.intern.cats.ms: Bug#53140: director suffix option problem]
On Tue, 21 Mar 2000, Kai Henningsen wrote:

> Seems to me that's not very useful. Seems to me when there's need for
> a string-*list* in the first place, you'd want the *correct* match,
> not the *first*.


Please define "correct". It could be

first
last
longest
shortest
...

I rather suspect different people would chose different ones.

Defining "correct" to mean "one that makes the local part actually work"
is not an option, because suffix-stripping is a purely textual thing
that happens before the director is run.

> Maybe it would be better to not use a list, but (optionally?) use a
> regex instead?


Prefixes and suffixes were originally just single, fixed strings - quick
to check. Then the wild cards got invented because people wanted them,
and then people wanted more than one, mostly for synonyms like

suffix = -request : -owner : -manager

Using a regex would of course be much more expensive.


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