Re: Config question

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On l=F6rdagen den 12 september 2009, Brian Lavender wrote:
> This is the sample config and comments on my system. What exactly does the
> {::1} mean?
>
> Is this some sort of LISP or M4 syntax? Sorry, I am not too familiar
> with LISP yet.

It's (part of the) Exim string expansion syntax. See http://www.exim.org/ex=
im-
html-current/doc/html/spec_html/ch11.html. The language is functional, like=
=20
Lisp, but that's where the similarities end. What you have below is an ${if=
 }=20
item with a composite condition ("and { }"). The "and" condition takes any=
=20
number of subconditions, each enclosed in braces. The "eq" condition takes =
two=20
operands, also enclosed in braces, whereas the "def" condition takes just o=
ne=20
after a colon but with no braces. So {::1} is just an IPv6 address enclosed=
 in=20
braces to separate it from the other operand, $sender_host_address.

> SAEximRunCond: ${if and {{def:sender_host_address} {!eq
> {$sender_host_address}{127.0.0.1}} {!eq {$sender_host_address}{::1}}}}

=2D-=20
Magnus Holmgren        [email protected]
                       (No Cc of list mail needed, thanks)

  "Exim is better at being younger, whereas sendmail is better for=20
   Scrabble (50 point bonus for clearing your rack)" -- Dave Evans

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