Re: [exim] address rewriting of To: header

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Auteur: Søren Dam
Datum:  
Aan: Ian Eiloart
CC: exim-users
Onderwerp: Re: [exim] address rewriting of To: header
2009/4/6 Ian Eiloart <iane@???>

>
>
> --On 6 April 2009 13:09:05 +0200 Søren Dam <post@???> wrote:
>
> Im a newbie to exim and i have this urgent problem
>> We have som comstumers that insist to send mail to your symstem as bcc. We
>> have a backend system that wil have to use the To: header to process the
>> mail. They send to alle kinds of aderesses and we,ve set up a catch-all
>> e-mail to handle that. I need to take the adress from the recieved header
>> and rewrite:
>>
>> from:
>> "..
>>
>> Return-path: sender@???
>> Received: from [****] (helo=domain.com)
>>        by localhost.localdomain
>>        with esmtp (Exim 4.63)  (envelope-from <sender@???>)
>>        id 1LqmYP-0006bg-E6     for reciever@???;
>>        Mon, 06 Apr 2009 12:59:49 +0200
>> Received: from [***] (unknown [***])
>>        by sender.com (Postfix) with ESMTP id D795816A95C
>>        *for <reciever@???>*; Mon,  6 Apr 2009 12:59:49 +0200
>> (CEST)
>> Message-ID: <49D9E0A5.2030202@???>
>> Date: Mon, 06 Apr 2009 12:59:49 +0200
>> From: kasper <sender@???>
>> User-Agent: Thunderbird 1.5.0.12 (X11/20090114)
>> *To: undisclosed-recipients:;*
>> Subject: (no subject)
>> MIME-Version: 1.0
>> Content-Type: text/plain; charset=ISO-8859-1
>> Content-Transfer-Encoding: 7bit

>>
>>
>> .."
>> to
>> "..
>>
>> Return-path: sender@???
>> Received: from [****] (helo=domain.com)
>>        by localhost.localdomain
>>        with esmtp (Exim 4.63)  (envelope-from <sender@???>)
>>        id 1LqmYP-0006bg-E6     for reciever@???;
>>        Mon, 06 Apr 2009 12:59:49 +0200
>> Received: from [***] (unknown [***])
>>        by sender.com (Postfix) with ESMTP id D795816A95C
>>        *for <reciever@???>*; Mon,  6 Apr 2009 12:59:49 +0200
>> (CEST)
>> Message-ID: <49D9E0A5.2030202@???>
>> Date: Mon, 06 Apr 2009 12:59:49 +0200
>> From: kasper <sender@???>
>> User-Agent: Thunderbird 1.5.0.12 (X11/20090114)
>> *To: reciever@???*
>> Subject: (no subject)
>> MIME-Version: 1.0
>> Content-Type: text/plain; charset=ISO-8859-1
>> Content-Transfer-Encoding: 7bit

>>
>>
>> .."
>>
>> I've tried to mess around with adress rewriting and got it to work, but i
>> don't know how to strip the email form the recieved field.
>>
>
> Exim can acquire the recipient email address from $local_part and $domain.
> So you'd need to use headers_remove and headers_add in your transport - and
> make sure that you're only delivering one message at a time. However, you
> may wish to take care to preserve the original content of the headers that
> you're modifying - depending on what you're doing at the back end.
>
> I presume that you mean "acquire the email from the received field" rather
> than "strip" (= remove).
>

Thats correct:-)


>
> Strictly, $local_part and $domain aren't acquired from the received header,
> rather the received header is built using those variables (I think).
>
>>
>> thanks in advance
>>
>> Søren
>>
>
>
>
> --
> Ian Eiloart
> IT Services, University of Sussex
> 01273-873148 x3148
> For new support requests, see http://www.sussex.ac.uk/its/help/
>

It worked! almost..
i've put
headers_remove = To:
headers_add = To: $local_part@$domain
into transport, but it seems that i can't remove the To: header but i simply
add a second one.
anyone know why?

/Søren
~