[Evolution-users] Local delivery account

[Patrick O'Callaghan]

On Fri, 2025-10-24 at 11:14 -0400, janos via evolution-users wrote:
> OK, no problem, just my curiosity of the internal workings of mail
> system. My understanding is that originally the mail system in UNUX was
> developed with the purpose of sending messages from one user to another
> in the same UNIX machine. Later on it was adopted to networked UNIX
> machines using smtp protocol.

Not quite. Before SMTP there was UUCP (Unix-to-Unix CoPy), which  at
least at first used direct modem connections between machines. That's
why you'd sometimes have mail addresses given as "bang paths" (see
https://en.wikipedia.org/wiki/UUCP#Bang_path).

poc