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Date: Mon, 20 Jun 2005 09:49:38 -0400
From: "Pierre A. Humblet" <Pierre DOT Humblet AT ieee DOT org>
Subject: Re: Exim 4.50 with Content filtering and SPF
To: "Herb Martin" <HerbM AT LearnQuick DOT Com>, <cygwin AT cygwin DOT com>
Reply-to: "Pierre A. Humblet" <Pierre DOT Humblet AT ieee DOT org>
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References: <A822F222B47 AT mail DOT learnquick DOT com>

- I am about to release exim 4.51, which enables the
  features in chapter 40 of
http://www.exim.org/exim-html-4.50/doc/html/spec.html

- Exim has a non-traditional configuration and makefile
  system. All Makefile variables have default values
  that can be modified by an OS specific Makefile 
  (OS/Makefile-CYGWIN) and further modified by
  local options (Local/Makefile).
  If you build exim (patched for Cygwin) with an empty
  Local/Makefile, you get exactly the features present in
  the pre-compiled version of exim available with setup.
 This is explained in the README, in
 /usr/share/doc/Cygwin/

Pierre
 
----- Original Message ----- 
From: "Herb Martin" <HerbM AT LearnQuick DOT Com>
To: <cygwin AT cygwin DOT com>
Sent: Monday, June 20, 2005 9:23 AM
Subject: Exim 4.50 with Content filtering and SPF


> In just a week or so, I have fallen in love with CygWin,
> and cannot understand how I overlooked it for so long.
> 
> Thanks folks.  Well done to all who contribute!
> 
> [Please redirect me to the correct list/newsgroup;
> even RTFM is fine if you will only tell me which
> fine manual and preferable a page or chapter reference.]
> 
> Question overview:  related to enabling make options,
> and to compiling new versions.  I am not looking for
> specific diagnostics of my compile problems (since I
> don't have the output at the moment) but rather any
> hints or direction to understanding this port....or 
> reference to the correct list/newsgroups and documentation
> for understanding such subjects in general.
> 
> (Background:  I am pretty good with compilers and make
> but not very experienced with CygWin or Unix specifically.)
> 
> I successfully recompiled Exim 3.50 under CygWin (current 
> CygWin version from last week: cygwin-1.5.17-1).
> 
> It seems the 'normal' Exim "Local/Makefile" isn't really 
> used for CygWin compiles (except as a re-Make signal if
> touched.)  Maybe this is normal for OS ports, but it seems
> to invalidate some of the documentation in the Local/Makefile,
> or at least doesn't replace it with any guidelines.)
> 
> It appears that the Makefile is really "OS/Makefile-CYGWIN",
> and that there are some CygWin specifics in: CYGWIN-PATCHES/
> 
> It was possible to enable content filtering by modifying
> the Makefile-CYGWIN (WITH_CONTENT_SCAN=yes), but had trouble 
> with both  (separately) of:
> 
> #EXIM_PERL=perl.o
> #EXPERIMENTAL_SPF=yes
> 
> It seemed to be due to linking or library errors.
> 
> Tried recompiling SPF and failed that due to similar
> errors with (each of):
> 
> libspf2-1.2.4/
> libspf2-1.2.5/
> 
> ...but succeeded with  libsrs_alt-1.0rc1.tar.gz compile.
> (which is more or less a sister package to SPF.)
> 
> My attempts to compile Exim 4.51 were unsuccessful; my
> assumption is that this is due to not having (not even 
> attempting to use) the CYGWIN specifics in the current
> CygWin 3.50 version but not automatically in the current
> Exim 3.51 general version.
> 
> Again, I am looking for strategy guidelines (unless you
> already know specific fixes etc.)
> 
> --
> Herb Martin
> 
> 
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