Re: [Emailcore] Return-Path and Delivered-To issues

Dave Crocker <dhc@dcrocker.net> Tue, 05 January 2021 21:20 UTC

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Reply-To: dcrocker@bbiw.net
To: John Levine <johnl@taugh.com>, emailcore@ietf.org
Cc: vesely@tana.it
References: <20210105205621.798525829FC6@ary.qy>
From: Dave Crocker <dhc@dcrocker.net>
Organization: Brandenburg InternetWorking
Message-ID: <e6c0047a-8ad5-8633-e558-d1d4ae2912d2@dcrocker.net>
Date: Tue, 05 Jan 2021 13:20:30 -0800
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Subject: Re: [Emailcore] Return-Path and Delivered-To issues
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On 1/5/2021 12:56 PM, John Levine wrote:
> Having written a lot of code that does this, I can say that it is
> often, maybe mostly, the MTA that drops the message into the mailbox.
> 
> Unless someone believes that the current text is confusing people or
> causing interoperability problems, please leave it alone. We already
> have plenty to do.


If it 'drops the messag into the mailbox' then i is acting in the role 
of an MDA.  By definition.

This exemplifies the different between abstract networking architecture 
-- which is what the MDA role is -- from specific software implementation.

d/

-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net