[TUHS] The oldest user at host email on Unix

[Jeff Johnson via TUHS]

The convention for intersystem mail that used '@' on Multics was “-at” (i.e. "mail user -at host").  This was done for convenience so as to not interfere with the default line kill character which was “@“.

--
Jeffrey H. Johnson
trnsz at pobox.com

On Wed, Oct 15, 2025, at 12:28 PM, Lars Brinkhoff via TUHS wrote:
> Ron Minnich wrote:
>> Remembering this got me to wondering: what was that first email address, in
>> user at host form, on Unix?
>
> Some systems used the "user at host" form.  That's atsign spelled out,
> with whitespace arond.  For example "minsky at mit-ai".