Build a disposable email alias CLI in 50 lines of Bash

I have a rule I keep breaking: never give a website my real email if I'm not sure I want a relationship with them. Five minutes later I'm on some forum, signup form open, and I'm typing [email protected] again because firing up a password manager, generating an alias, copying it, pasting it - it's just enough friction that I default to the lazy thing. So this weekend I built alias - a single shell command that spits out a fresh forwarding address I can paste anywhere. Took about an hour. The whole th