Re: [Exim] local_scan interface discussion

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Autor: Philip Hazel
Fecha:  
A: James P. Roberts
Cc: exim-users
Asunto: Re: [Exim] local_scan interface discussion
On Mon, 15 Jul 2002, James P. Roberts wrote:

> To this end, I would recommend an approach like Derrick's "pipe" idea.


One of the things people were telling me when I was thinking about
local_scan() was that they wanted an efficient way of scanning messages,
without having to run an additional process. If you start using pipes,
you lose this efficiency.

Sure, you get better protection of Exim itself, but that wasn't the
point.

> require=local_scan("exim-sa;$domain;$local_part")
> deny=local_scan("antivirus;killall;log")


You can do that kind of thing already, using ${run or ${perl. The idea
of local_scan() was to be more efficient for those that couldn't afford
even the cost of ${run.

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