Re[2]: [Exim] Why add X-Envelope-To?

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Autor: Dave C.
Data:  
Dla: Anton A. Golubev
CC: exim-users
Temat: Re[2]: [Exim] Why add X-Envelope-To?
Hrm.. I wasnt aware of this.. One option to get rid of it might be to
use the headers-remove option in your transport (probably the smtp
transport would be the one to use it in)

On Sun, 27 Jan 2002, Anton A. Golubev wrote:

> Hello Dave,
>
> Sunday, January 27, 2002, 2:14:57 AM, you wrote:
>
> DC> This isn't something Exim is hardcoded to do - it is set in the
> DC> configuration file.
>
> DC> Read the exim spec file to find it.
>
> The exim specification said:
> "If the filter sets up any deliveries of its own, an extra header line is added
> to them with the name "X-Envelope-to:". This contains up to 100 of the
> original message's envelope recipients.
> If the filter specifies any significant deliveries, the message's own recipient list is ignored.
> Non-significant deliveries, however, are added to the message's existing recipients.
>
> The Exim specification does not mention any possibility to suppress the header addition.
> It also does not give any ideas, why to add it at all.
>
> It seems, this header is unconditionally added in delivery.c module (certainly
> only for pipe, save and the similar filter actions):
>
>     h->text = store_get(size);
>     strcpy(h->text, "X-Envelope-To: ");
>     slen = (int)strlen(h->text);

>
> The question is still: how to avoid disclosure of recipients in mailing lists and
> the same problem in "bcc:" carbon copies?
>
> The extra question: what is the purpose of this header, which is added so strong way (unconditionally)?
>
>
> -- Anton                          http://www.engec.ru
> At Home

>
>
>


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