[ih] Early email systems

[Dave Crocker]

On 7/15/2018 8:57 PM, ian.peter at ianpeter.com wrote:
> Does anyone know the origins of mailer Daemon notifications? I guess

I don't understand the question.


> they have been around for sometime but if anyone knows when they were
> introduced I would be interested.
> 
> Also, were there any systems in email preceding this which notified eg

"preceding this"?  preceding what?


> when a message was not sent, when a system was offline, could not be
> delivered etc?

I know that sndmsg gave real-time feedback about delivery 
success/failure during transmissions.  This was the very early 1970s.

d/

-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net