Re: [EXIM] Use of header rewriting

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Author: Michael Beattie
Date:  
To: Philip Hazel
CC: exim-users
Subject: Re: [EXIM] Use of header rewriting
On Fri, 17 Jul 1998, Philip Hazel wrote:

> On Fri, 17 Jul 1998, Michael Beattie wrote:
>
> > that works fine, but mail from "omnic@???" to
> > "[user]@omnic.rumpus.net" gets the from header of:
> >
> > --From: Michael Beattie <mickyb@???>
> >
> > I would like this to be:
> >
> > --From: Michael Beattie <omnic@???>
>
> I did say it was a trick question! The point is, what do you want to
> do with a message that is addressed to "[user]@omnic.rumpus.net" AND
> to "ph10@???" (for example)? Exim keeps only one copy of the
> message; any rewriting applies to what is sent to all recipients.
>
> The very first sentence of the Exim manual reads
>
> Exim is a mail transfer agent (MTA) for Unix systems connected to the
> Internet.
>
> That's the world I live in, and I'm afraid I designed it that way,
> expecting addresses to be universally valid. I am of course happy that
> people are making use of Exim in other environments, but it can't always
> easily be massaged into doing what is needed for them.
>
> > To satisfy replying etc...
> > In this way, any "local" mail (omnic.rumpus.net --> omnic.rumpus.net) I
> > would like to keep its "@omnic.rumpus.net" and any remote mail
> > (omnic.rumpus.net --> [REST OF WORLD]) I would like to be rewritten as per
> > orders in my /etc/email-addresses file.
>
> In order to do this you need to separate the message into separate
> copies - internal and external. One way this can be done is to have a
> separate host act as a gateway to the intranet so all mail to the
> outside goes through it and can be rewritten, while internal mail
> doesn't go near it.
>
> If you are doing all this on a single host, you could make use of two
> different copies of Exim. /usr/lib/sendmail with its default
> configuration could be your "internal" exim, which sends all external
> mail to its "smarthost", which could be a pipe to a
> differently-configured Exim that does rewriting and delivers externally.
> (Or you could write down a private SMTP port to such an Exim.)
>
> This is becoming an FAQ. I am working on FAQ information at the moment.
> Maybe I would save myself some effort if I explored the suggestion I
> have just made in detail and came up with a sample configuration. I'll
> think about it.



Hmmm, seems to much of a hassle, for me anyway.. It is not really all that
important, It just annoyed me a little :)

                       Michael Beattie (mickyb@???)


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