Re: [Exim] Upgrading from 3.35 to 4.30 q: SMTP Auth

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Author: Tim Jackson
Date:  
To: exim-users
Subject: Re: [Exim] Upgrading from 3.35 to 4.30 q: SMTP Auth
Hi gbrotherton@???, on Wed, 14 Jan 2004 09:14:08 -0500 you wrote:

> We are recompiling 4.30 and building SMTP Auth support in the
> Local/Makefile. Do we need to do anything special to run 4.30 from 3.35?


Do you mean do you need anything special to upgrade from 3.35 to 4.30? If
so, yes: the Exim 3 -> Exim 4 upgrade is a non-trivial one, although you
shouldn't be scared off by it as it's not too bad, plus Exim 4 is so much
more powerful and flexible than Exim 3. Read the documentation and you'll
find that amongst other things, there's a handy utility to convert your
Exim 3 config file to Exim 4.

> In the EDITME file, after setting SMTP Auth support on, I read that we
> will need a certificate and tell Exim how to find the certificate. I'm
> not familiar with obtaining a certificate. Could someone please
> explain?


This is only necessary if you're going to use SSL (a good idea if you're
using AUTH PLAIN; not quite so important if you are only going to do AUTH
CRAM-MD5). In that case, you should probably familiarise yourself with SSL
in general (and also your chosen SSL library - probably OpenSSL or GnuTLS)
before attempting to get Exim to use it. I'm not sure of the best starting
place for SSL in general, but I'm sure a web search will turn up plenty of
resources to look at.

Tim