RE: [exim] Ok, this time with feeling!

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Lähettäjä: Philip Hazel
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Vastaanottaja: David Brodbeck
Kopio: exim-users
Aihe: RE: [exim] Ok, this time with feeling!
On Thu, 7 Oct 2004, David Brodbeck wrote:

> > -----Original Message-----
> > From: Sherwood Botsford [mailto:sbotsford@sjsa.ab.ca]
>
> > I'm sure that Phillip had good reason for doing as prefix
> > notation, perhaps because the parser was easier to write,


Actually, I just copied it from Smail 3, and in the beginning the number
of possible conditions was small. In fact, it isn't really prefix
notation because you can have any number of conditions, not just two.
However, it is certainly true that it is easy and efficient to process.

> It never fails to amaze me, for example, how some people can come up
> with Squid configurations that have literally hundreds of ACLs, and
> then wonder why performance is bad.


You would have loved the "UK-sendmail" auto-generated Sendmail
configurations that UK academia was using circa 1990. Well over 1,000
lines of ... er ... not quite sure how to describe it politely. :-)

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book:    http://www.uit.co.uk/exim-book