Re: [EXIM] rcpt to in Received header

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Autor: Oliver Smith
Fecha:  
A: exim-users
Asunto: Re: [EXIM] rcpt to in Received header
>> Pine (or at least a former version) changes its headers when someone adds
a
>> Bcc: and I can tell often tell if a Bcc: has been added, and that makes

me
>> wonder who was Bcc:ed. I believe we should avoid this kind of behavior.
>
>I suspect that inferring from the absence that a Bcc: has been sent to a
>third party may be spurious -- the Bcc: may well be to the sender ...



Actually what I want is to be able to expose one recipient at a time. I
don't want to list the complete list of recipients. There are the following
valid reasons for wanting to know who the RCPT TO: was that generated the
particular, individual, unique piece of email you are looking at:

1. You are on a mailing list and want to unsubscribe, but can't remember
which of your multiple mailboxes you subscribed, and the mailserver doesn't
let you say oliver=*@kfs.org

2. You have received a piece of spam and you want to know which email
address has been added to the spam lists. Was it root@yourdomain or
you@yourdomain?

3. Some elm (or other mailer) user has bounced an email to you, so the
headers do not include a last-destination. Did you receive it via
postmaster@yourdomain, you@yourdomain or what? This used to happen a lot to
me, and not knowing whether it originated on one of the internal mailing
lists means you didn't know who else had seen it.

Example: I get two copies of an email that arrived on my machine with
recipients on 'root', 'www', and 'oliver'. I would like one of those two
mails to say "Received: ... for root" and another to say "Received: ... for
oliver"

This is quite common with mail that has passed through some systems (it's
actually one of the features I quite like about receiving my mail to my
demon account rather than my machine at home at the moment) See the
following headers:

Return-Path: <exim-users-request@???>
Received: from punt-1.mail.demon.net by mailstore for
oliver@???
          id 887053455:10:03937:9; Mon, 09 Feb 98 19:44:15 GMT
Received: from list.theplanet.net ([194.152.64.143]) by
punt-1.mail.demon.net
           id aa1003913; 9 Feb 98 19:44 GMT
Received: from slist by list.theplanet.net with local (Exim 1.70 #1)
 id 0y1z6w-0001Ue-00; Mon, 9 Feb 1998 19:43:23 +0000


Oliver


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