For anyone that doesn't know, the ! is for UUCP routing.
Re:But What's Up with That ¥?
by LeoPanthera on Thursday November 11, 2021 @08:12PM
(#29195271)
And is known as a Bang Path: https://en.wikipedia.org/wiki/UUCP#Bang_path
Re:But What's Up with That ¥?
by notreallyserio on Thursday November 11, 2021 @08:23PM
(#29195334)
I remember using bang paths to send myself email via several different networks. I felt like such a Hackerman.
[email protected]