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Re: Add "Received:" header to email msg in correct position?

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Date Wed, 7 May 2014 00:26:24 +1000
Subject Re: Add "Received:" header to email msg in correct position?
From Chris Angelico <rosuav@gmail.com>
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On Wed, May 7, 2014 at 12:15 AM, Grant Edwards <invalid@invalid.invalid> wrote:
> On 2014-05-06, alister <alister.nospam.ware@ntlworld.com> wrote:
>> On Mon, 05 May 2014 19:51:15 +0000, Grant Edwards wrote:
>>
>>> I'm working on a Python app that receives an e-mail message via SMTP,
>>> does some trivial processing on it, and forwards it to another SMTP
>>> server.
>>>
>>> I'd like to do the polite thing and add a "Received:" header, but I
>>> can't figure out how to get Python's email module to add it in the
>>> correct place.  It always ends up at the "bottom" of the headers below
>>> From: To: etc.  It's supposed to go at the above all the Received:
>>> headers that where there when I received it.
>>
>> Is this required or just being polite?
>
> I couldn't find it in an RFC.  But every reference I could find that
> mentioned Received: headers did say that you read them from the bottom
> up (most recent is on top).

Yeah, I went looking for it in 2822 but didn't find much. After some
digging, found it in 2821, section 3.8.2. It's not dwelled on, but the
word "prepend" is used, which to my mind is a clear indication of
necessary ordering.

ChrisA

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Thread

Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-05 19:51 +0000
  Re: Add "Received:" header to email msg in correct position? Ethan Furman <ethan@stoneleaf.us> - 2014-05-05 13:01 -0700
    Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-05 20:58 +0000
      Re: Add "Received:" header to email msg in correct position? Tim Chase <python.list@tim.thechases.com> - 2014-05-05 16:09 -0500
        Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-06 02:13 +0000
          Re: Add "Received:" header to email msg in correct position? Steven D'Aprano <steve@pearwood.info> - 2014-05-06 08:22 +0000
            Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-06 14:12 +0000
      Re: Add "Received:" header to email msg in correct position? Terry Reedy <tjreedy@udel.edu> - 2014-05-06 14:16 -0400
      Re: Add "Received:" header to email msg in correct position? Chris Angelico <rosuav@gmail.com> - 2014-05-07 10:13 +1000
  Re: Add "Received:" header to email msg in correct position? alister <alister.nospam.ware@ntlworld.com> - 2014-05-06 09:15 +0000
    Re: Add "Received:" header to email msg in correct position? Chris Angelico <rosuav@gmail.com> - 2014-05-06 19:47 +1000
      Re: Add "Received:" header to email msg in correct position? alister <alister.nospam.ware@ntlworld.com> - 2014-05-06 10:26 +0000
        Re: Add "Received:" header to email msg in correct position? Chris Angelico <rosuav@gmail.com> - 2014-05-06 20:41 +1000
    Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-06 14:15 +0000
      Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-06 14:19 +0000
      Re: Add "Received:" header to email msg in correct position? Chris Angelico <rosuav@gmail.com> - 2014-05-07 00:26 +1000
      Re: Add "Received:" header to email msg in correct position? alister <alister.nospam.ware@ntlworld.com> - 2014-05-06 15:16 +0000
    Re: Add "Received:" header to email msg in correct position? Burak Arslan <burak.arslan@arskom.com.tr> - 2014-05-06 18:11 +0300
      Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-06 15:26 +0000
        Re: Add "Received:" header to email msg in correct position? Burak Arslan <burak.arslan@arskom.com.tr> - 2014-05-07 18:06 +0300
        Re: Add "Received:" header to email msg in correct position? Chris Angelico <rosuav@gmail.com> - 2014-05-08 01:11 +1000
        Re: Add "Received:" header to email msg in correct position? Ian Kelly <ian.g.kelly@gmail.com> - 2014-05-07 16:29 -0600
          Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-08 13:28 +0000
            Re: Add "Received:" header to email msg in correct position? Chris Angelico <rosuav@gmail.com> - 2014-05-08 23:47 +1000
            Re: Add "Received:" header to email msg in correct position? Ethan Furman <ethan@stoneleaf.us> - 2014-05-08 06:46 -0700
            Re: Add "Received:" header to email msg in correct position? Skip Montanaro <skip@pobox.com> - 2014-05-08 09:50 -0500
              Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-08 18:39 +0000
                Re: Add "Received:" header to email msg in correct position? Tim Chase <python.list@tim.thechases.com> - 2014-05-08 13:48 -0500
                Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-09 14:28 +0000
                Re: Add "Received:" header to email msg in correct position? Ethan Furman <ethan@stoneleaf.us> - 2014-05-08 17:00 -0700
  Re: Add "Received:" header to email msg in correct position? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2014-05-07 08:58 +0200
    Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-07 14:32 +0000
      Re: Add "Received:" header to email msg in correct position? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2014-05-08 09:44 +0200
  Re: Add "Received:" header to email msg in correct position? Emre Hasegeli <emre@hasegeli.com> - 2014-05-07 11:11 +0300
  Re: Add "Received:" header to email msg in correct position? Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2014-05-07 10:57 +0200
    Re: Add "Received:" header to email msg in correct position? Grant Edwards <invalid@invalid.invalid> - 2014-05-07 14:33 +0000

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