This is very interesting. Looking at the format we see an MSDOS prompt as the command line interface.(cli) which makes me think this archive disk dates from 1988-89.
But the text file does indeed appear to be from an older bulletin board or mail system such as Delphi.
As with many new technologies. The first people to exploit it's potential were the pornographers! 😂👍🏼
What a fascinating find.