UUCP is a very good way to distribute email to a domain (not just a specific individual but an entire domain, with several persons, mailing lists, aliases, etc) when the machine which serves the domain is not always connected or does not have a permanent address (dial-up with POTS or ISDN but also cable modems with dynamic IPs or frequent cut-offs). It was intended that way (unlike many hacks over SMTP) and it works,more...
Traditionally, Unix/Linux/POSIX filenames can be almost any sequence of bytes, and their meaning is unassigned. The only real rules are that "/" is always the directory separator, and that filenames can't contain byte 0 (because this is the terminator). Although this is flexible, this creates many unnecessary problems. In particular, this lack of limitations makes it unnecessarily difficult to write correct programs (enabling many security flaws), makes it impossible to consistently and accurately display filenames, causes portability problems, and confuses users. more ....
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