Re: [dmarc-ietf] Response to a claim in draft-crocker-dmarc-author-00 security considerations

[Dave Crocker <[e-mail]>]

On 7/21/2020 1:42 PM, Brandon Long wrote:
> I'd be curious when MLMs modifying the mail going through them became 
> a thing, I guess I assume it wasn't 45 years ago, but I know it's 
> irrelevant.


When I said 45 years, I wasn't not kidding...

The Subject line and the To: field were modified, here:

> Date: 7 JUN 1975 1432-PDT
> Sender: FARBER at USC-ISI
> Subject: MSGGROUP# 001 TCTALK
> From: FARBER at USC-ISI
> To: MessageGroup:
> Message-ID: <[USC-ISI]7-JUN-75 14:32:54-PDT.FARBER>
>
>
> There is a distributed network teleconferencing facility oriented
> to networks experimentally  avilable  called  TCTALK.  It was the
> result of a thesis of Jim  Calvin  at  BBN. It can be accessed at
> the ISIA site via  <network-help>TCTALK. questions relative to it
> can be answered by Calvin  or  Geoff at SRI-AI. I would recommend
> that you try it if you have not. Improvements are being made on a
> time available basis by Calvin.
>
> The full discription of TCTALK is available via the net and is in
> essense Calvins CASE thesis. Contact CAlvin for that.
>
> Dave

-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net