On Fri, 20 Mar 2020 10:47:38 +0000, The Natural Philosopher wrote:

> On 20/03/2020 10:02, Martin Gregorie wrote:
>> 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, to the envelope from address.
>
Regardless, the point I was trying to make is that the From: header is
not used by the process of transferring mail from sender to recipient and
is displayed by the receiving MUA for information only.

So it can be, and is, used nefariously by spammers and other lowlife.


--
Martin    | martin at
Gregorie  | gregorie dot org

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