kagan at online
Nov 15, 2006, 1:58 PM
Post #3 of 4
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Re: Problem Rewriting 'Received: from...' and 'From:...'
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Yeah, thank you. This is, what I found after posting my question - but there
is still remaining one 'superuser' - in the "From: root
<john.doe[at]mydomain.de>"-line.
When I found the 'received_header_text'-solution, I thought: Ok, no problem,
changing 'from_header_text' will solve the problem. But what a pity - there
is no 'from_header_text'-variable to alter...
So after thinking a while about it, I decided - ok, I am setting up a mail
server with virtual accounts - the problem really is more theoretical...
Maybe user root simply should not mail around...?
Greetings
kagan
-----Ursprüngliche Nachricht-----
Von: Matthias Waffenschmidt [mailto:mw[at]LF.net]
Gesendet: Mittwoch, 15. November 2006 21:59
An: Kunter Agan
Cc: exim-users[at]exim.org
Betreff: Re: [exim] Problem Rewriting 'Received: from...' and 'From:...'
Hello,
On Mon, Nov 13, 2006 at 03:58:31PM +0100, Kunter Agan wrote:
> I want to change the senders identity completely - when user root sends an
> email, addresses are rewritten - ok - but if you take a nearer look at the
> mail, you'll find out very fast who's the real sender of the mail.
>
> Here is an example:
>
> Content of file /etc/email-addresses:
>
> root: john.doe[at]mydomain.de
>
> When typing :
>
> echo "mycontent" | mail -s "mysubject" john[at]mydomain.de
>
> at the prompt as user root local user 'john' receives the following mail:
>
> Return-path: <john.doe[at]mydomain.de>
> Envelope-to: john[at]mydomain.de
> Delivery-date: Mon, 13 Nov 2006 14:31:52 +0100
> Received: from root by mydomain.de with local (Exim 4.63)
> (envelope-from <john.doe[at]mydomain.de>)
> id 1Gjbuh-0002Xu-Gc
> for john[at]mydomain.de; Mon, 13 Nov 2006 14:31:51 +0100
> ...
>
>
> In the exim.conf file I put the following rewriting-rule:
>
> *@+local_domains "${lookup{${local_part}}lsearch{/etc/email-addresses}\
> {$value}fail}" Eh
>
> MY QUESTIONS:
>
> What can I do if I absolutely don't want to see the 'root' in the
'Received:
> from ...' and 'From: ...' lines?
The problem is that 'root' is the value of $sender_ident and this
variable is not subject to address rewriting, it simply is no address.
You can get rid of the line by changing the Received: line Exim adds
to the message using the main option received_header_text. For details
see
http://www.exim.org/exim-html-4.63/doc/html/spec_html/ch14.html#id2597806
> Or even more important - is the solution of this problem within the range
of
> possibilties of exim?
Absolutely.
--
Gruss / Best regards | LF.net GmbH | fon +49 711 90074-411
Matthias Waffenschmidt | Ruppmannstr. 27 | fax +49 711 90074-33
mw[at]LF.net | D-70565 Stuttgart | http://www.lf.net
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