On 20/03/2020 12:26, Richard Kettlewell wrote:
> The Natural Philosopher  writes:
>> On 20/03/2020 10:19, Richard Kettlewell wrote:
>>> Martin Gregorie  writes:
>>>> Its well-known that the From: header is not used at all to transfer mail
>>>> from sender to receiver - returned bounces are sent to the Reply-To
>>>> address.
>>>
>>> No, they aren’t. Bounces are sent to the transport-level sender address
>>> (often called the “return path”).
>>>
>> 'envelope from'
>
> Yes, that too. Delivery agents often add it as a Return-Path: header as
> their last act.
>
No, they do not. Ever.




--
“when things get difficult you just have to lie”

― Jean Claud Jüncker

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