[MlMt] Strange "From" address

[Benny Kjær Nielsen]

On 26 Dec 2011, at 13:17, Allan Odgaard wrote:

> On 26 Dec 2011, at 12:24, Alan Schmitt wrote:
>
>> I dug a little bit into this, and it seems to be because of this line 
>> in the email I replied to:
>> X-Original-To: aquamacs-devel at aquamacs.org
>>
>> I don't know if it's usual for a mailing list to set it this way 
>> […]

[…]

> The x-original-to is unfortunately not a real standard, so my guess is 
> that the software receiving mail for the aquamacs list add the header 
> (understandable, if fronted by a normal SMTP server) the mailing list 
> software doesn’t strip the header before re-sending it to the list 
> members, and your mail server doesn’t add/overwrite the header (it 
> might use some other header to indicate the original to address of the 
> email).
>
> It might be good to see all the headers in the email and know your 
> subscription address to the aquamacs mailing list.

Alan created a [ticket][] with the full headers.

[ticket]: http://freron.lighthouseapp.com/projects/58672/tickets/202

Here are the most relevant ones:

	Received: from zfront1.inria.fr (LHLO zfront1.inria.fr) 
(193.51.193.147) by
  zmbs2.inria.fr with LMTP; Sun, 25 Dec 2011 18:44:03 +0100 (CET)
	Delivered-To: alan.schmitt.1995 at hruid.polytechnique.org
	Received: from relay.andrew.cmu.edu (RELAY-02.ANDREW.CMU.EDU 
	[128.2.10.85])
	    (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	    (Client did not present a certificate)
	    by mx2.polytechnique.org (Postfix) with ESMTPS id 89DAB803285
	    for <alan.schmitt at polytechnique.org>; Sun, 25 Dec 2011 18:44:54 
+0100 (CET)
	X-Original-To: aquamacs-devel at aquamacs.org
	Delivered-To: aquamacs-devel at aquamacs.org
	From: David Reitter <david.reitter at gmail.com>
	In-Reply-To: <E7BBB5C9-0323-425F-911F-3B4B049296B3 at polytechnique.org>
	To: Aquamacs Developers <aquamacs-devel at aquamacs.org>
	Reply-To: Aquamacs Developers <aquamacs-devel at aquamacs.org>
	Sender: aquamacs-devel-bounces at aquamacs.org

According to Alan the subscribed address is 
`alan.schmitt at polytechnique.org`. This

The only header containing the correct address is a `Received` header. I 
guess the problem is related to `*.inria.fr` which does not add a 
`X-Original-To` header.

The mailing list software, by the way, is exactly the same as used on 
this mailing list:

	X-Mailman-Version: 2.1.12

I'm not sure what to do about this other than making the mailing list 
address derivation an optional feature in the preferences. I could 
perhaps also never trust an `X-Original-To` header which has been added 
before a `Delivered-To` header.

-- 
Benny
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