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Re: [Emailcore] Delivered-To issues

Alessandro Vesely <vesely@tana.it> Tue, 05 January 2021 19:26 UTC

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From: Alessandro Vesely <vesely@tana.it>
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Date: Tue, 05 Jan 2021 20:26:25 +0100
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Subject: Re: [Emailcore] Delivered-To issues
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On Fri 01/Jan/2021 23:23:41 +0100 John R Levine wrote:
> On Fri, 1 Jan 2021, John Levine wrote:
>> In article <def122c9-1eec-8828-6c17-1adb8d4c5ed9@dcrocker.net> you write:
>>>      Should the recipient's MUA have access to the /sequence/ of RCPT TO
>>>      addresses used to get to them?
>>
>> If we're documenting existing practice, which I think would be a good idea, yes.
> 
> Also remember that it's used to detect mail loops, and if you have a loop like 
> A->B->C->A you need the history to see that you're looping.


Another use of Delivered-To:, by MUAs, is to fill the From: field in compose 
windows with the correct value, for users receiving multiple aliases.


Best
Ale
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