Re: [Asrg] seeking comments on new RMX article

J C Lawrence <claw@kanga.nu> Sun, 04 May 2003 19:18 UTC

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To: Alan DeKok <aland@freeradius.org>
cc: asrg@ietf.org
Subject: Re: [Asrg] seeking comments on new RMX article
In-Reply-To: Message from "Alan DeKok" <aland@freeradius.org> of "Sun, 04 May 2003 10:49:52 EDT." <E19CKoL-0006M3-00@mail.nitros9.org>
References: <E19CKoL-0006M3-00@mail.nitros9.org>
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From: J C Lawrence <claw@kanga.nu>
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Date: Sun, 04 May 2003 12:16:42 -0700

On Sun, 04 May 2003 10:49:52 -0400 
Alan DeKok <aland@freeradius.org> wrote:
> Dave Crocker <dhc@dcrocker.net> wrote:

>> What this therefore asserts is that the domain name in a From field
>> is always tied to a fixed set of originating MTAs.
 
>> The presumption is incorrect.

>   I agree.  But I still like RMX.

> What's important for me is that RMX allows the receiving MTA to
> trivially discover that the originating domain has consented to send
> mail from that MTA.  

That doesn't work for things like yahoo, mail.com, etc who offer
POP/IMAP accounts to arbitrary users without an outbound smarthost.

> Right now, we have *no* way of verifying the originators consent.

It specifically doesn't work for me as I aggregate mail from ~8
addresses here at home, and have my MUA configured to automatically
generate the correct From: header depending on what folder I'm sending
mail from.  Of the eight domains involved, I control only two...

-- 
J C Lawrence                
---------(*)                Satan, oscillate my metallic sonatas. 
claw@kanga.nu               He lived as a devil, eh?		  
http://www.kanga.nu/~claw/  Evil is a name of a foeman, as I live.
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